Home / 18,534.72-25,578.72-10,151.04

Finding the Fourth Proportional to 18,534.72, 25,578.72 and 10,151.04

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Solution

The fourth proportional to 18,534.72, 25,578.72 and 10,151.04 is: 14,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.72 : 25,578.72 = 10,151.04 : x
  2. Step 2: Convert to fraction form
    18,534.72/25,578.72 = 10,151.04/x
  3. Step 3: Cross multiply
    18,534.72x = 25,578.72 × 10,151.04
  4. Step 4: Simplify right side
    18,534.72x = 259,650,609.87
  5. Step 5: Solve for x
    x = 259,650,609.87/18,534.72
  6. Step 6: Final answer
    x = 14,008.88

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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.