Home / 25,149.28-37,723.78-6,429.30

Finding the Fourth Proportional to 25,149.28, 37,723.78 and 6,429.30

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Solution

The fourth proportional to 25,149.28, 37,723.78 and 6,429.30 is: 9,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.28 : 37,723.78 = 6,429.30 : x
  2. Step 2: Convert to fraction form
    25,149.28/37,723.78 = 6,429.30/x
  3. Step 3: Cross multiply
    25,149.28x = 37,723.78 × 6,429.30
  4. Step 4: Simplify right side
    25,149.28x = 242,537,498.75
  5. Step 5: Solve for x
    x = 242,537,498.75/25,149.28
  6. Step 6: Final answer
    x = 9,643.91

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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.