Home / 18,526.26-25,565.99-10,142.76

Finding the Fourth Proportional to 18,526.26, 25,565.99 and 10,142.76

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Solution

The fourth proportional to 18,526.26, 25,565.99 and 10,142.76 is: 13,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.26 : 25,565.99 = 10,142.76 : x
  2. Step 2: Convert to fraction form
    18,526.26/25,565.99 = 10,142.76/x
  3. Step 3: Cross multiply
    18,526.26x = 25,565.99 × 10,142.76
  4. Step 4: Simplify right side
    18,526.26x = 259,309,650.02
  5. Step 5: Solve for x
    x = 259,309,650.02/18,526.26
  6. Step 6: Final answer
    x = 13,996.87

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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.