Home / 21,654.23-32,491.62-15,000.93

Finding the Fourth Proportional to 21,654.23, 32,491.62 and 15,000.93

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Solution

The fourth proportional to 21,654.23, 32,491.62 and 15,000.93 is: 22,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.23 : 32,491.62 = 15,000.93 : x
  2. Step 2: Convert to fraction form
    21,654.23/32,491.62 = 15,000.93/x
  3. Step 3: Cross multiply
    21,654.23x = 32,491.62 × 15,000.93
  4. Step 4: Simplify right side
    21,654.23x = 487,404,517.21
  5. Step 5: Solve for x
    x = 487,404,517.21/21,654.23
  6. Step 6: Final answer
    x = 22,508.52

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1.5x scale

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.