Home / 16,891.04-23,310.16-9,337.61

Finding the Fourth Proportional to 16,891.04, 23,310.16 and 9,337.61

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Solution

The fourth proportional to 16,891.04, 23,310.16 and 9,337.61 is: 12,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.04 : 23,310.16 = 9,337.61 : x
  2. Step 2: Convert to fraction form
    16,891.04/23,310.16 = 9,337.61/x
  3. Step 3: Cross multiply
    16,891.04x = 23,310.16 × 9,337.61
  4. Step 4: Simplify right side
    16,891.04x = 217,661,043.22
  5. Step 5: Solve for x
    x = 217,661,043.22/16,891.04
  6. Step 6: Final answer
    x = 12,886.19

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Double scale
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Similar ratio
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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.