Home / 16,505.88-22,755.33-15,988.92

Finding the Fourth Proportional to 16,505.88, 22,755.33 and 15,988.92

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Solution

The fourth proportional to 16,505.88, 22,755.33 and 15,988.92 is: 22,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.88 : 22,755.33 = 15,988.92 : x
  2. Step 2: Convert to fraction form
    16,505.88/22,755.33 = 15,988.92/x
  3. Step 3: Cross multiply
    16,505.88x = 22,755.33 × 15,988.92
  4. Step 4: Simplify right side
    16,505.88x = 363,833,150.94
  5. Step 5: Solve for x
    x = 363,833,150.94/16,505.88
  6. Step 6: Final answer
    x = 22,042.64

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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.