Home / 25,718.85-38,581.11-8,184.58

Finding the Fourth Proportional to 25,718.85, 38,581.11 and 8,184.58

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Solution

The fourth proportional to 25,718.85, 38,581.11 and 8,184.58 is: 12,277.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.85 : 38,581.11 = 8,184.58 : x
  2. Step 2: Convert to fraction form
    25,718.85/38,581.11 = 8,184.58/x
  3. Step 3: Cross multiply
    25,718.85x = 38,581.11 × 8,184.58
  4. Step 4: Simplify right side
    25,718.85x = 315,770,084.83
  5. Step 5: Solve for x
    x = 315,770,084.83/25,718.85
  6. Step 6: Final answer
    x = 12,277.77

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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.