Home / 22,915.90-34,374.66-7,331.50

Finding the Fourth Proportional to 22,915.90, 34,374.66 and 7,331.50

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Solution

The fourth proportional to 22,915.90, 34,374.66 and 7,331.50 is: 10,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.90 : 34,374.66 = 7,331.50 : x
  2. Step 2: Convert to fraction form
    22,915.90/34,374.66 = 7,331.50/x
  3. Step 3: Cross multiply
    22,915.90x = 34,374.66 × 7,331.50
  4. Step 4: Simplify right side
    22,915.90x = 252,017,819.79
  5. Step 5: Solve for x
    x = 252,017,819.79/22,915.90
  6. Step 6: Final answer
    x = 10,997.51

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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.