Home / 18,086.44-24,960.47-10,129.17

Finding the Fourth Proportional to 18,086.44, 24,960.47 and 10,129.17

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Solution

The fourth proportional to 18,086.44, 24,960.47 and 10,129.17 is: 13,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.44 : 24,960.47 = 10,129.17 : x
  2. Step 2: Convert to fraction form
    18,086.44/24,960.47 = 10,129.17/x
  3. Step 3: Cross multiply
    18,086.44x = 24,960.47 × 10,129.17
  4. Step 4: Simplify right side
    18,086.44x = 252,828,843.91
  5. Step 5: Solve for x
    x = 252,828,843.91/18,086.44
  6. Step 6: Final answer
    x = 13,978.92

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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.