Home / 26,281.68-39,388.36-13,770.04

Finding the Fourth Proportional to 26,281.68, 39,388.36 and 13,770.04

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Solution

The fourth proportional to 26,281.68, 39,388.36 and 13,770.04 is: 20,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.68 : 39,388.36 = 13,770.04 : x
  2. Step 2: Convert to fraction form
    26,281.68/39,388.36 = 13,770.04/x
  3. Step 3: Cross multiply
    26,281.68x = 39,388.36 × 13,770.04
  4. Step 4: Simplify right side
    26,281.68x = 542,379,292.73
  5. Step 5: Solve for x
    x = 542,379,292.73/26,281.68
  6. Step 6: Final answer
    x = 20,637.16

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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.