Home / 18,251.08-25,186.38-9,867.56

Finding the Fourth Proportional to 18,251.08, 25,186.38 and 9,867.56

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Solution

The fourth proportional to 18,251.08, 25,186.38 and 9,867.56 is: 13,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.08 : 25,186.38 = 9,867.56 : x
  2. Step 2: Convert to fraction form
    18,251.08/25,186.38 = 9,867.56/x
  3. Step 3: Cross multiply
    18,251.08x = 25,186.38 × 9,867.56
  4. Step 4: Simplify right side
    18,251.08x = 248,528,115.83
  5. Step 5: Solve for x
    x = 248,528,115.83/18,251.08
  6. Step 6: Final answer
    x = 13,617.17

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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.