Home / 18,521.17-25,559.24-10,456.54

Finding the Fourth Proportional to 18,521.17, 25,559.24 and 10,456.54

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Solution

The fourth proportional to 18,521.17, 25,559.24 and 10,456.54 is: 14,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.17 : 25,559.24 = 10,456.54 : x
  2. Step 2: Convert to fraction form
    18,521.17/25,559.24 = 10,456.54/x
  3. Step 3: Cross multiply
    18,521.17x = 25,559.24 × 10,456.54
  4. Step 4: Simplify right side
    18,521.17x = 267,261,215.43
  5. Step 5: Solve for x
    x = 267,261,215.43/18,521.17
  6. Step 6: Final answer
    x = 14,430.04

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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.