Home / 25,769.16-38,663.46-9,128.52

Finding the Fourth Proportional to 25,769.16, 38,663.46 and 9,128.52

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Solution

The fourth proportional to 25,769.16, 38,663.46 and 9,128.52 is: 13,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.16 : 38,663.46 = 9,128.52 : x
  2. Step 2: Convert to fraction form
    25,769.16/38,663.46 = 9,128.52/x
  3. Step 3: Cross multiply
    25,769.16x = 38,663.46 × 9,128.52
  4. Step 4: Simplify right side
    25,769.16x = 352,940,167.88
  5. Step 5: Solve for x
    x = 352,940,167.88/25,769.16
  6. Step 6: Final answer
    x = 13,696.22

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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.