Home / 18,153.38-25,053.18-10,197.20

Finding the Fourth Proportional to 18,153.38, 25,053.18 and 10,197.20

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Solution

The fourth proportional to 18,153.38, 25,053.18 and 10,197.20 is: 14,072.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.38 : 25,053.18 = 10,197.20 : x
  2. Step 2: Convert to fraction form
    18,153.38/25,053.18 = 10,197.20/x
  3. Step 3: Cross multiply
    18,153.38x = 25,053.18 × 10,197.20
  4. Step 4: Simplify right side
    18,153.38x = 255,472,287.10
  5. Step 5: Solve for x
    x = 255,472,287.10/18,153.38
  6. Step 6: Final answer
    x = 14,072.99

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