Home / 55,891.20-83,836.74-14,338.20

Finding the Fourth Proportional to 55,891.20, 83,836.74 and 14,338.20

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Solution

The fourth proportional to 55,891.20, 83,836.74 and 14,338.20 is: 21,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,891.20 : 83,836.74 = 14,338.20 : x
  2. Step 2: Convert to fraction form
    55,891.20/83,836.74 = 14,338.20/x
  3. Step 3: Cross multiply
    55,891.20x = 83,836.74 × 14,338.20
  4. Step 4: Simplify right side
    55,891.20x = 1,202,067,945.47
  5. Step 5: Solve for x
    x = 1,202,067,945.47/55,891.20
  6. Step 6: Final answer
    x = 21,507.28

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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.