Home / 25,769.52-38,644.29-9,126.45

Finding the Fourth Proportional to 25,769.52, 38,644.29 and 9,126.45

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Solution

The fourth proportional to 25,769.52, 38,644.29 and 9,126.45 is: 13,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.52 : 38,644.29 = 9,126.45 : x
  2. Step 2: Convert to fraction form
    25,769.52/38,644.29 = 9,126.45/x
  3. Step 3: Cross multiply
    25,769.52x = 38,644.29 × 9,126.45
  4. Step 4: Simplify right side
    25,769.52x = 352,685,180.47
  5. Step 5: Solve for x
    x = 352,685,180.47/25,769.52
  6. Step 6: Final answer
    x = 13,686.14

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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.