Home / 15,024.84-20,732.88-8,310.29

Finding the Fourth Proportional to 15,024.84, 20,732.88 and 8,310.29

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Solution

The fourth proportional to 15,024.84, 20,732.88 and 8,310.29 is: 11,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.84 : 20,732.88 = 8,310.29 : x
  2. Step 2: Convert to fraction form
    15,024.84/20,732.88 = 8,310.29/x
  3. Step 3: Cross multiply
    15,024.84x = 20,732.88 × 8,310.29
  4. Step 4: Simplify right side
    15,024.84x = 172,296,141.67
  5. Step 5: Solve for x
    x = 172,296,141.67/15,024.84
  6. Step 6: Final answer
    x = 11,467.42

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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.