Home / 25,769.38-38,663.28-15,897.18

Finding the Fourth Proportional to 25,769.38, 38,663.28 and 15,897.18

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Solution

The fourth proportional to 25,769.38, 38,663.28 and 15,897.18 is: 23,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.38 : 38,663.28 = 15,897.18 : x
  2. Step 2: Convert to fraction form
    25,769.38/38,663.28 = 15,897.18/x
  3. Step 3: Cross multiply
    25,769.38x = 38,663.28 × 15,897.18
  4. Step 4: Simplify right side
    25,769.38x = 614,637,121.55
  5. Step 5: Solve for x
    x = 614,637,121.55/25,769.38
  6. Step 6: Final answer
    x = 23,851.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.