Home / 21,566.88-29,752.24-12,614.72

Finding the Fourth Proportional to 21,566.88, 29,752.24 and 12,614.72

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Solution

The fourth proportional to 21,566.88, 29,752.24 and 12,614.72 is: 17,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.88 : 29,752.24 = 12,614.72 : x
  2. Step 2: Convert to fraction form
    21,566.88/29,752.24 = 12,614.72/x
  3. Step 3: Cross multiply
    21,566.88x = 29,752.24 × 12,614.72
  4. Step 4: Simplify right side
    21,566.88x = 375,316,176.97
  5. Step 5: Solve for x
    x = 375,316,176.97/21,566.88
  6. Step 6: Final answer
    x = 17,402.43

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1.5x scale

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.