Home / 14,240.97-21,353.46-5,915.40

Finding the Fourth Proportional to 14,240.97, 21,353.46 and 5,915.40

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Solution

The fourth proportional to 14,240.97, 21,353.46 and 5,915.40 is: 8,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.97 : 21,353.46 = 5,915.40 : x
  2. Step 2: Convert to fraction form
    14,240.97/21,353.46 = 5,915.40/x
  3. Step 3: Cross multiply
    14,240.97x = 21,353.46 × 5,915.40
  4. Step 4: Simplify right side
    14,240.97x = 126,314,257.28
  5. Step 5: Solve for x
    x = 126,314,257.28/14,240.97
  6. Step 6: Final answer
    x = 8,869.78

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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.