Home / 15,042.86-20,759.33-8,329.10

Finding the Fourth Proportional to 15,042.86, 20,759.33 and 8,329.10

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Solution

The fourth proportional to 15,042.86, 20,759.33 and 8,329.10 is: 11,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.86 : 20,759.33 = 8,329.10 : x
  2. Step 2: Convert to fraction form
    15,042.86/20,759.33 = 8,329.10/x
  3. Step 3: Cross multiply
    15,042.86x = 20,759.33 × 8,329.10
  4. Step 4: Simplify right side
    15,042.86x = 172,906,535.50
  5. Step 5: Solve for x
    x = 172,906,535.50/15,042.86
  6. Step 6: Final answer
    x = 11,494.26

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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.