Home / 18,217.53-25,139.28-10,260.24

Finding the Fourth Proportional to 18,217.53, 25,139.28 and 10,260.24

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Solution

The fourth proportional to 18,217.53, 25,139.28 and 10,260.24 is: 14,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.53 : 25,139.28 = 10,260.24 : x
  2. Step 2: Convert to fraction form
    18,217.53/25,139.28 = 10,260.24/x
  3. Step 3: Cross multiply
    18,217.53x = 25,139.28 × 10,260.24
  4. Step 4: Simplify right side
    18,217.53x = 257,935,046.23
  5. Step 5: Solve for x
    x = 257,935,046.23/18,217.53
  6. Step 6: Final answer
    x = 14,158.62

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1.5x scale

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.