Home / 18,191.04-25,103.84-10,233.20

Finding the Fourth Proportional to 18,191.04, 25,103.84 and 10,233.20

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Solution

The fourth proportional to 18,191.04, 25,103.84 and 10,233.20 is: 14,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.04 : 25,103.84 = 10,233.20 : x
  2. Step 2: Convert to fraction form
    18,191.04/25,103.84 = 10,233.20/x
  3. Step 3: Cross multiply
    18,191.04x = 25,103.84 × 10,233.20
  4. Step 4: Simplify right side
    18,191.04x = 256,892,438.80
  5. Step 5: Solve for x
    x = 256,892,438.80/18,191.04
  6. Step 6: Final answer
    x = 14,121.92

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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.