Home / 25,433.87-38,167.74-10,453.28

Finding the Fourth Proportional to 25,433.87, 38,167.74 and 10,453.28

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Solution

The fourth proportional to 25,433.87, 38,167.74 and 10,453.28 is: 15,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,433.87 : 38,167.74 = 10,453.28 : x
  2. Step 2: Convert to fraction form
    25,433.87/38,167.74 = 10,453.28/x
  3. Step 3: Cross multiply
    25,433.87x = 38,167.74 × 10,453.28
  4. Step 4: Simplify right side
    25,433.87x = 398,977,882.35
  5. Step 5: Solve for x
    x = 398,977,882.35/25,433.87
  6. Step 6: Final answer
    x = 15,686.88

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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.