Home / 25,425.37-38,143.56-10,432.53

Finding the Fourth Proportional to 25,425.37, 38,143.56 and 10,432.53

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Solution

The fourth proportional to 25,425.37, 38,143.56 and 10,432.53 is: 15,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,425.37 : 38,143.56 = 10,432.53 : x
  2. Step 2: Convert to fraction form
    25,425.37/38,143.56 = 10,432.53/x
  3. Step 3: Cross multiply
    25,425.37x = 38,143.56 × 10,432.53
  4. Step 4: Simplify right side
    25,425.37x = 397,933,834.01
  5. Step 5: Solve for x
    x = 397,933,834.01/25,425.37
  6. Step 6: Final answer
    x = 15,651.05

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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.