Home / 16,638.81-22,961.18-9,084.85

Finding the Fourth Proportional to 16,638.81, 22,961.18 and 9,084.85

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Solution

The fourth proportional to 16,638.81, 22,961.18 and 9,084.85 is: 12,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.81 : 22,961.18 = 9,084.85 : x
  2. Step 2: Convert to fraction form
    16,638.81/22,961.18 = 9,084.85/x
  3. Step 3: Cross multiply
    16,638.81x = 22,961.18 × 9,084.85
  4. Step 4: Simplify right side
    16,638.81x = 208,598,841.43
  5. Step 5: Solve for x
    x = 208,598,841.43/16,638.81
  6. Step 6: Final answer
    x = 12,536.88

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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.