Home / 22,777.48-31,396.98-17,178.76

Finding the Fourth Proportional to 22,777.48, 31,396.98 and 17,178.76

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Solution

The fourth proportional to 22,777.48, 31,396.98 and 17,178.76 is: 23,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,777.48 : 31,396.98 = 17,178.76 : x
  2. Step 2: Convert to fraction form
    22,777.48/31,396.98 = 17,178.76/x
  3. Step 3: Cross multiply
    22,777.48x = 31,396.98 × 17,178.76
  4. Step 4: Simplify right side
    22,777.48x = 539,361,184.14
  5. Step 5: Solve for x
    x = 539,361,184.14/22,777.48
  6. Step 6: Final answer
    x = 23,679.58

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Half scale
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Double scale
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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.