Home / 14,149.68-21,227.70-4,789.16

Finding the Fourth Proportional to 14,149.68, 21,227.70 and 4,789.16

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Solution

The fourth proportional to 14,149.68, 21,227.70 and 4,789.16 is: 7,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.68 : 21,227.70 = 4,789.16 : x
  2. Step 2: Convert to fraction form
    14,149.68/21,227.70 = 4,789.16/x
  3. Step 3: Cross multiply
    14,149.68x = 21,227.70 × 4,789.16
  4. Step 4: Simplify right side
    14,149.68x = 101,662,851.73
  5. Step 5: Solve for x
    x = 101,662,851.73/14,149.68
  6. Step 6: Final answer
    x = 7,184.82

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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.