Home / 22,009.24-30,378.54-13,632.76

Finding the Fourth Proportional to 22,009.24, 30,378.54 and 13,632.76

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Solution

The fourth proportional to 22,009.24, 30,378.54 and 13,632.76 is: 18,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.24 : 30,378.54 = 13,632.76 : x
  2. Step 2: Convert to fraction form
    22,009.24/30,378.54 = 13,632.76/x
  3. Step 3: Cross multiply
    22,009.24x = 30,378.54 × 13,632.76
  4. Step 4: Simplify right side
    22,009.24x = 414,143,344.97
  5. Step 5: Solve for x
    x = 414,143,344.97/22,009.24
  6. Step 6: Final answer
    x = 18,816.79

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Half scale
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Double scale
Find fourth proportional to 22,010.24, 30,379.92 and 13,633.76
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.