Home / 14,500.50-21,753.76-5,615.60

Finding the Fourth Proportional to 14,500.50, 21,753.76 and 5,615.60

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Solution

The fourth proportional to 14,500.50, 21,753.76 and 5,615.60 is: 8,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.50 : 21,753.76 = 5,615.60 : x
  2. Step 2: Convert to fraction form
    14,500.50/21,753.76 = 5,615.60/x
  3. Step 3: Cross multiply
    14,500.50x = 21,753.76 × 5,615.60
  4. Step 4: Simplify right side
    14,500.50x = 122,160,414.66
  5. Step 5: Solve for x
    x = 122,160,414.66/14,500.50
  6. Step 6: Final answer
    x = 8,424.57

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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.