Home / 18,260.18-25,199.03-9,876.66

Finding the Fourth Proportional to 18,260.18, 25,199.03 and 9,876.66

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Solution

The fourth proportional to 18,260.18, 25,199.03 and 9,876.66 is: 13,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.18 : 25,199.03 = 9,876.66 : x
  2. Step 2: Convert to fraction form
    18,260.18/25,199.03 = 9,876.66/x
  3. Step 3: Cross multiply
    18,260.18x = 25,199.03 × 9,876.66
  4. Step 4: Simplify right side
    18,260.18x = 248,882,251.64
  5. Step 5: Solve for x
    x = 248,882,251.64/18,260.18
  6. Step 6: Final answer
    x = 13,629.78

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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.