Home / 15,024.90-20,733.97-8,310.34

Finding the Fourth Proportional to 15,024.90, 20,733.97 and 8,310.34

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Solution

The fourth proportional to 15,024.90, 20,733.97 and 8,310.34 is: 11,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.90 : 20,733.97 = 8,310.34 : x
  2. Step 2: Convert to fraction form
    15,024.90/20,733.97 = 8,310.34/x
  3. Step 3: Cross multiply
    15,024.90x = 20,733.97 × 8,310.34
  4. Step 4: Simplify right side
    15,024.90x = 172,306,340.25
  5. Step 5: Solve for x
    x = 172,306,340.25/15,024.90
  6. Step 6: Final answer
    x = 11,468.05

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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.