Home / 25,345.20-38,028.60-17,549.76

Finding the Fourth Proportional to 25,345.20, 38,028.60 and 17,549.76

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Solution

The fourth proportional to 25,345.20, 38,028.60 and 17,549.76 is: 26,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.20 : 38,028.60 = 17,549.76 : x
  2. Step 2: Convert to fraction form
    25,345.20/38,028.60 = 17,549.76/x
  3. Step 3: Cross multiply
    25,345.20x = 38,028.60 × 17,549.76
  4. Step 4: Simplify right side
    25,345.20x = 667,392,803.14
  5. Step 5: Solve for x
    x = 667,392,803.14/25,345.20
  6. Step 6: Final answer
    x = 26,332.12

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1.5x scale

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.