Home / 15,281.85-22,920.82-5,915.46

Finding the Fourth Proportional to 15,281.85, 22,920.82 and 5,915.46

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Solution

The fourth proportional to 15,281.85, 22,920.82 and 5,915.46 is: 8,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.85 : 22,920.82 = 5,915.46 : x
  2. Step 2: Convert to fraction form
    15,281.85/22,920.82 = 5,915.46/x
  3. Step 3: Cross multiply
    15,281.85x = 22,920.82 × 5,915.46
  4. Step 4: Simplify right side
    15,281.85x = 135,587,104.92
  5. Step 5: Solve for x
    x = 135,587,104.92/15,281.85
  6. Step 6: Final answer
    x = 8,872.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.