Home / 25,478.19-38,232.18-10,685.82

Finding the Fourth Proportional to 25,478.19, 38,232.18 and 10,685.82

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Solution

The fourth proportional to 25,478.19, 38,232.18 and 10,685.82 is: 16,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.19 : 38,232.18 = 10,685.82 : x
  2. Step 2: Convert to fraction form
    25,478.19/38,232.18 = 10,685.82/x
  3. Step 3: Cross multiply
    25,478.19x = 38,232.18 × 10,685.82
  4. Step 4: Simplify right side
    25,478.19x = 408,542,193.69
  5. Step 5: Solve for x
    x = 408,542,193.69/25,478.19
  6. Step 6: Final answer
    x = 16,034.98

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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.