Home / 18,412.38-25,407.75-10,454.82

Finding the Fourth Proportional to 18,412.38, 25,407.75 and 10,454.82

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Solution

The fourth proportional to 18,412.38, 25,407.75 and 10,454.82 is: 14,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.38 : 25,407.75 = 10,454.82 : x
  2. Step 2: Convert to fraction form
    18,412.38/25,407.75 = 10,454.82/x
  3. Step 3: Cross multiply
    18,412.38x = 25,407.75 × 10,454.82
  4. Step 4: Simplify right side
    18,412.38x = 265,633,452.86
  5. Step 5: Solve for x
    x = 265,633,452.86/18,412.38
  6. Step 6: Final answer
    x = 14,426.89

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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.