Home / 25,491.80-38,237.66-16,724.64

Finding the Fourth Proportional to 25,491.80, 38,237.66 and 16,724.64

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Solution

The fourth proportional to 25,491.80, 38,237.66 and 16,724.64 is: 25,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.80 : 38,237.66 = 16,724.64 : x
  2. Step 2: Convert to fraction form
    25,491.80/38,237.66 = 16,724.64/x
  3. Step 3: Cross multiply
    25,491.80x = 38,237.66 × 16,724.64
  4. Step 4: Simplify right side
    25,491.80x = 639,511,097.94
  5. Step 5: Solve for x
    x = 639,511,097.94/25,491.80
  6. Step 6: Final answer
    x = 25,086.93

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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.