Home / 18,610.17-25,686.45-10,656.96

Finding the Fourth Proportional to 18,610.17, 25,686.45 and 10,656.96

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Solution

The fourth proportional to 18,610.17, 25,686.45 and 10,656.96 is: 14,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.17 : 25,686.45 = 10,656.96 : x
  2. Step 2: Convert to fraction form
    18,610.17/25,686.45 = 10,656.96/x
  3. Step 3: Cross multiply
    18,610.17x = 25,686.45 × 10,656.96
  4. Step 4: Simplify right side
    18,610.17x = 273,739,470.19
  5. Step 5: Solve for x
    x = 273,739,470.19/18,610.17
  6. Step 6: Final answer
    x = 14,709.13

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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.