Home / 25,382.13-38,082.21-11,340.87

Finding the Fourth Proportional to 25,382.13, 38,082.21 and 11,340.87

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Solution

The fourth proportional to 25,382.13, 38,082.21 and 11,340.87 is: 17,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.13 : 38,082.21 = 11,340.87 : x
  2. Step 2: Convert to fraction form
    25,382.13/38,082.21 = 11,340.87/x
  3. Step 3: Cross multiply
    25,382.13x = 38,082.21 × 11,340.87
  4. Step 4: Simplify right side
    25,382.13x = 431,885,392.92
  5. Step 5: Solve for x
    x = 431,885,392.92/25,382.13
  6. Step 6: Final answer
    x = 17,015.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.