Home / 18,292.38-25,243.48-9,908.88

Finding the Fourth Proportional to 18,292.38, 25,243.48 and 9,908.88

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Solution

The fourth proportional to 18,292.38, 25,243.48 and 9,908.88 is: 13,674.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.38 : 25,243.48 = 9,908.88 : x
  2. Step 2: Convert to fraction form
    18,292.38/25,243.48 = 9,908.88/x
  3. Step 3: Cross multiply
    18,292.38x = 25,243.48 × 9,908.88
  4. Step 4: Simplify right side
    18,292.38x = 250,134,614.10
  5. Step 5: Solve for x
    x = 250,134,614.10/18,292.38
  6. Step 6: Final answer
    x = 13,674.25

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Half scale
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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.