Home / 25,649.04-38,487.60-17,842.80

Finding the Fourth Proportional to 25,649.04, 38,487.60 and 17,842.80

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Solution

The fourth proportional to 25,649.04, 38,487.60 and 17,842.80 is: 26,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649.04 : 38,487.60 = 17,842.80 : x
  2. Step 2: Convert to fraction form
    25,649.04/38,487.60 = 17,842.80/x
  3. Step 3: Cross multiply
    25,649.04x = 38,487.60 × 17,842.80
  4. Step 4: Simplify right side
    25,649.04x = 686,726,549.28
  5. Step 5: Solve for x
    x = 686,726,549.28/25,649.04
  6. Step 6: Final answer
    x = 26,773.97

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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.