Home / 18,454.88-25,469.10-10,499.66

Finding the Fourth Proportional to 18,454.88, 25,469.10 and 10,499.66

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Solution

The fourth proportional to 18,454.88, 25,469.10 and 10,499.66 is: 14,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.88 : 25,469.10 = 10,499.66 : x
  2. Step 2: Convert to fraction form
    18,454.88/25,469.10 = 10,499.66/x
  3. Step 3: Cross multiply
    18,454.88x = 25,469.10 × 10,499.66
  4. Step 4: Simplify right side
    18,454.88x = 267,416,927.93
  5. Step 5: Solve for x
    x = 267,416,927.93/18,454.88
  6. Step 6: Final answer
    x = 14,490.31

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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.