Home / 15,024.78-20,732.94-8,651.03

Finding the Fourth Proportional to 15,024.78, 20,732.94 and 8,651.03

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Solution

The fourth proportional to 15,024.78, 20,732.94 and 8,651.03 is: 11,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.78 : 20,732.94 = 8,651.03 : x
  2. Step 2: Convert to fraction form
    15,024.78/20,732.94 = 8,651.03/x
  3. Step 3: Cross multiply
    15,024.78x = 20,732.94 × 8,651.03
  4. Step 4: Simplify right side
    15,024.78x = 179,361,182.26
  5. Step 5: Solve for x
    x = 179,361,182.26/15,024.78
  6. Step 6: Final answer
    x = 11,937.69

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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.