Home / 22,614.22-31,208.40-12,543.64

Finding the Fourth Proportional to 22,614.22, 31,208.40 and 12,543.64

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Solution

The fourth proportional to 22,614.22, 31,208.40 and 12,543.64 is: 17,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,614.22 : 31,208.40 = 12,543.64 : x
  2. Step 2: Convert to fraction form
    22,614.22/31,208.40 = 12,543.64/x
  3. Step 3: Cross multiply
    22,614.22x = 31,208.40 × 12,543.64
  4. Step 4: Simplify right side
    22,614.22x = 391,466,934.58
  5. Step 5: Solve for x
    x = 391,466,934.58/22,614.22
  6. Step 6: Final answer
    x = 17,310.65

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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.