Home / 25,651.42-35,397.14-15,039

Finding the Fourth Proportional to 25,651.42, 35,397.14 and 15,039

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Solution

The fourth proportional to 25,651.42, 35,397.14 and 15,039 is: 20,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.42 : 35,397.14 = 15,039 : x
  2. Step 2: Convert to fraction form
    25,651.42/35,397.14 = 15,039/x
  3. Step 3: Cross multiply
    25,651.42x = 35,397.14 × 15,039
  4. Step 4: Simplify right side
    25,651.42x = 532,337,513.27
  5. Step 5: Solve for x
    x = 532,337,513.27/25,651.42
  6. Step 6: Final answer
    x = 20,752.75

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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.