Home / 18,149.38-25,047.12-10,192.75

Finding the Fourth Proportional to 18,149.38, 25,047.12 and 10,192.75

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Solution

The fourth proportional to 18,149.38, 25,047.12 and 10,192.75 is: 14,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.38 : 25,047.12 = 10,192.75 : x
  2. Step 2: Convert to fraction form
    18,149.38/25,047.12 = 10,192.75/x
  3. Step 3: Cross multiply
    18,149.38x = 25,047.12 × 10,192.75
  4. Step 4: Simplify right side
    18,149.38x = 255,299,032.38
  5. Step 5: Solve for x
    x = 255,299,032.38/18,149.38
  6. Step 6: Final answer
    x = 14,066.54

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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.