Home / 21,708.08-32,562.20-5,292.08

Finding the Fourth Proportional to 21,708.08, 32,562.20 and 5,292.08

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Solution

The fourth proportional to 21,708.08, 32,562.20 and 5,292.08 is: 7,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.08 : 32,562.20 = 5,292.08 : x
  2. Step 2: Convert to fraction form
    21,708.08/32,562.20 = 5,292.08/x
  3. Step 3: Cross multiply
    21,708.08x = 32,562.20 × 5,292.08
  4. Step 4: Simplify right side
    21,708.08x = 172,321,767.38
  5. Step 5: Solve for x
    x = 172,321,767.38/21,708.08
  6. Step 6: Final answer
    x = 7,938.14

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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.