Home / 14,046.80-21,062.10-5,282.60

Finding the Fourth Proportional to 14,046.80, 21,062.10 and 5,282.60

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Solution

The fourth proportional to 14,046.80, 21,062.10 and 5,282.60 is: 7,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.80 : 21,062.10 = 5,282.60 : x
  2. Step 2: Convert to fraction form
    14,046.80/21,062.10 = 5,282.60/x
  3. Step 3: Cross multiply
    14,046.80x = 21,062.10 × 5,282.60
  4. Step 4: Simplify right side
    14,046.80x = 111,262,649.46
  5. Step 5: Solve for x
    x = 111,262,649.46/14,046.80
  6. Step 6: Final answer
    x = 7,920.85

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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.