Home / 16,680.30-23,127.59-15,891.18

Finding the Fourth Proportional to 16,680.30, 23,127.59 and 15,891.18

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Solution

The fourth proportional to 16,680.30, 23,127.59 and 15,891.18 is: 22,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.30 : 23,127.59 = 15,891.18 : x
  2. Step 2: Convert to fraction form
    16,680.30/23,127.59 = 15,891.18/x
  3. Step 3: Cross multiply
    16,680.30x = 23,127.59 × 15,891.18
  4. Step 4: Simplify right side
    16,680.30x = 367,524,616.20
  5. Step 5: Solve for x
    x = 367,524,616.20/16,680.30
  6. Step 6: Final answer
    x = 22,033.45

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Half scale
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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 (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.