Home / 16,159.05-22,299.22-8,988.88

Finding the Fourth Proportional to 16,159.05, 22,299.22 and 8,988.88

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Solution

The fourth proportional to 16,159.05, 22,299.22 and 8,988.88 is: 12,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,159.05 : 22,299.22 = 8,988.88 : x
  2. Step 2: Convert to fraction form
    16,159.05/22,299.22 = 8,988.88/x
  3. Step 3: Cross multiply
    16,159.05x = 22,299.22 × 8,988.88
  4. Step 4: Simplify right side
    16,159.05x = 200,445,097.97
  5. Step 5: Solve for x
    x = 200,445,097.97/16,159.05
  6. Step 6: Final answer
    x = 12,404.51

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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.