Home / 15,263.28-22,915.44-7,872.44

Finding the Fourth Proportional to 15,263.28, 22,915.44 and 7,872.44

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Solution

The fourth proportional to 15,263.28, 22,915.44 and 7,872.44 is: 11,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.28 : 22,915.44 = 7,872.44 : x
  2. Step 2: Convert to fraction form
    15,263.28/22,915.44 = 7,872.44/x
  3. Step 3: Cross multiply
    15,263.28x = 22,915.44 × 7,872.44
  4. Step 4: Simplify right side
    15,263.28x = 180,400,426.47
  5. Step 5: Solve for x
    x = 180,400,426.47/15,263.28
  6. Step 6: Final answer
    x = 11,819.24

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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.