Home / 14,114.52-21,177.24-10,447.68

Finding the Fourth Proportional to 14,114.52, 21,177.24 and 10,447.68

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Solution

The fourth proportional to 14,114.52, 21,177.24 and 10,447.68 is: 15,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.52 : 21,177.24 = 10,447.68 : x
  2. Step 2: Convert to fraction form
    14,114.52/21,177.24 = 10,447.68/x
  3. Step 3: Cross multiply
    14,114.52x = 21,177.24 × 10,447.68
  4. Step 4: Simplify right side
    14,114.52x = 221,253,026.80
  5. Step 5: Solve for x
    x = 221,253,026.80/14,114.52
  6. Step 6: Final answer
    x = 15,675.56

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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.