Home / 22,861.14-31,542.29-15,693.25

Finding the Fourth Proportional to 22,861.14, 31,542.29 and 15,693.25

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Solution

The fourth proportional to 22,861.14, 31,542.29 and 15,693.25 is: 21,652.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861.14 : 31,542.29 = 15,693.25 : x
  2. Step 2: Convert to fraction form
    22,861.14/31,542.29 = 15,693.25/x
  3. Step 3: Cross multiply
    22,861.14x = 31,542.29 × 15,693.25
  4. Step 4: Simplify right side
    22,861.14x = 495,000,884.83
  5. Step 5: Solve for x
    x = 495,000,884.83/22,861.14
  6. Step 6: Final answer
    x = 21,652.50

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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.