Home / 22,743.56-31,349.76-15,174.92

Finding the Fourth Proportional to 22,743.56, 31,349.76 and 15,174.92

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Solution

The fourth proportional to 22,743.56, 31,349.76 and 15,174.92 is: 20,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,743.56 : 31,349.76 = 15,174.92 : x
  2. Step 2: Convert to fraction form
    22,743.56/31,349.76 = 15,174.92/x
  3. Step 3: Cross multiply
    22,743.56x = 31,349.76 × 15,174.92
  4. Step 4: Simplify right side
    22,743.56x = 475,730,100.02
  5. Step 5: Solve for x
    x = 475,730,100.02/22,743.56
  6. Step 6: Final answer
    x = 20,917.13

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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.