Home / 14,254.97-21,382.46-3,866.72

Finding the Fourth Proportional to 14,254.97, 21,382.46 and 3,866.72

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Solution

The fourth proportional to 14,254.97, 21,382.46 and 3,866.72 is: 5,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.97 : 21,382.46 = 3,866.72 : x
  2. Step 2: Convert to fraction form
    14,254.97/21,382.46 = 3,866.72/x
  3. Step 3: Cross multiply
    14,254.97x = 21,382.46 × 3,866.72
  4. Step 4: Simplify right side
    14,254.97x = 82,679,985.73
  5. Step 5: Solve for x
    x = 82,679,985.73/14,254.97
  6. Step 6: Final answer
    x = 5,800.08

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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.