Home / 25,405.11-38,111.38-12,246.66

Finding the Fourth Proportional to 25,405.11, 38,111.38 and 12,246.66

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Solution

The fourth proportional to 25,405.11, 38,111.38 and 12,246.66 is: 18,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.11 : 38,111.38 = 12,246.66 : x
  2. Step 2: Convert to fraction form
    25,405.11/38,111.38 = 12,246.66/x
  3. Step 3: Cross multiply
    25,405.11x = 38,111.38 × 12,246.66
  4. Step 4: Simplify right side
    25,405.11x = 466,737,082.37
  5. Step 5: Solve for x
    x = 466,737,082.37/25,405.11
  6. Step 6: Final answer
    x = 18,371.78

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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.