Home / 18,101.24-24,979.47-10,143.62

Finding the Fourth Proportional to 18,101.24, 24,979.47 and 10,143.62

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Solution

The fourth proportional to 18,101.24, 24,979.47 and 10,143.62 is: 13,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.24 : 24,979.47 = 10,143.62 : x
  2. Step 2: Convert to fraction form
    18,101.24/24,979.47 = 10,143.62/x
  3. Step 3: Cross multiply
    18,101.24x = 24,979.47 × 10,143.62
  4. Step 4: Simplify right side
    18,101.24x = 253,382,251.48
  5. Step 5: Solve for x
    x = 253,382,251.48/18,101.24
  6. Step 6: Final answer
    x = 13,998.06

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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.