Home / 25,720.84-38,585.56-8,196.04

Finding the Fourth Proportional to 25,720.84, 38,585.56 and 8,196.04

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Solution

The fourth proportional to 25,720.84, 38,585.56 and 8,196.04 is: 12,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.84 : 38,585.56 = 8,196.04 : x
  2. Step 2: Convert to fraction form
    25,720.84/38,585.56 = 8,196.04/x
  3. Step 3: Cross multiply
    25,720.84x = 38,585.56 × 8,196.04
  4. Step 4: Simplify right side
    25,720.84x = 316,248,793.18
  5. Step 5: Solve for x
    x = 316,248,793.18/25,720.84
  6. Step 6: Final answer
    x = 12,295.43

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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.