Home / 25,382.80-38,052.28-12,217.04

Finding the Fourth Proportional to 25,382.80, 38,052.28 and 12,217.04

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Solution

The fourth proportional to 25,382.80, 38,052.28 and 12,217.04 is: 18,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.80 : 38,052.28 = 12,217.04 : x
  2. Step 2: Convert to fraction form
    25,382.80/38,052.28 = 12,217.04/x
  3. Step 3: Cross multiply
    25,382.80x = 38,052.28 × 12,217.04
  4. Step 4: Simplify right side
    25,382.80x = 464,886,226.85
  5. Step 5: Solve for x
    x = 464,886,226.85/25,382.80
  6. Step 6: Final answer
    x = 18,315.01

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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.