Home / 21,710.10-32,549.40-14,672.70

Finding the Fourth Proportional to 21,710.10, 32,549.40 and 14,672.70

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Solution

The fourth proportional to 21,710.10, 32,549.40 and 14,672.70 is: 21,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710.10 : 32,549.40 = 14,672.70 : x
  2. Step 2: Convert to fraction form
    21,710.10/32,549.40 = 14,672.70/x
  3. Step 3: Cross multiply
    21,710.10x = 32,549.40 × 14,672.70
  4. Step 4: Simplify right side
    21,710.10x = 477,587,581.38
  5. Step 5: Solve for x
    x = 477,587,581.38/21,710.10
  6. Step 6: Final answer
    x = 21,998.41

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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.