Home / 22,634.20-31,238.94-13,202.76

Finding the Fourth Proportional to 22,634.20, 31,238.94 and 13,202.76

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Solution

The fourth proportional to 22,634.20, 31,238.94 and 13,202.76 is: 18,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,634.20 : 31,238.94 = 13,202.76 : x
  2. Step 2: Convert to fraction form
    22,634.20/31,238.94 = 13,202.76/x
  3. Step 3: Cross multiply
    22,634.20x = 31,238.94 × 13,202.76
  4. Step 4: Simplify right side
    22,634.20x = 412,440,227.47
  5. Step 5: Solve for x
    x = 412,440,227.47/22,634.20
  6. Step 6: Final answer
    x = 18,221.99

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Find fourth proportional to 11,317.10, 15,619.47 and 6,601.38
Half scale
Find fourth proportional to 45,268.40, 62,477.88 and 26,405.52
Double scale
Find fourth proportional to 22,635.20, 31,240.32 and 13,203.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.