Home / 18,574.38-25,633.24-10,191.66

Finding the Fourth Proportional to 18,574.38, 25,633.24 and 10,191.66

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Solution

The fourth proportional to 18,574.38, 25,633.24 and 10,191.66 is: 14,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.38 : 25,633.24 = 10,191.66 : x
  2. Step 2: Convert to fraction form
    18,574.38/25,633.24 = 10,191.66/x
  3. Step 3: Cross multiply
    18,574.38x = 25,633.24 × 10,191.66
  4. Step 4: Simplify right side
    18,574.38x = 261,245,266.78
  5. Step 5: Solve for x
    x = 261,245,266.78/18,574.38
  6. Step 6: Final answer
    x = 14,064.82

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Half scale
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Double scale
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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.