Home / 23,459.87-32,375.14-13,388.11

Finding the Fourth Proportional to 23,459.87, 32,375.14 and 13,388.11

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Solution

The fourth proportional to 23,459.87, 32,375.14 and 13,388.11 is: 18,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,459.87 : 32,375.14 = 13,388.11 : x
  2. Step 2: Convert to fraction form
    23,459.87/32,375.14 = 13,388.11/x
  3. Step 3: Cross multiply
    23,459.87x = 32,375.14 × 13,388.11
  4. Step 4: Simplify right side
    23,459.87x = 433,441,935.59
  5. Step 5: Solve for x
    x = 433,441,935.59/23,459.87
  6. Step 6: Final answer
    x = 18,475.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.