Home / 25,318.41-37,982.23-8,680.12

Finding the Fourth Proportional to 25,318.41, 37,982.23 and 8,680.12

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Solution

The fourth proportional to 25,318.41, 37,982.23 and 8,680.12 is: 13,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.41 : 37,982.23 = 8,680.12 : x
  2. Step 2: Convert to fraction form
    25,318.41/37,982.23 = 8,680.12/x
  3. Step 3: Cross multiply
    25,318.41x = 37,982.23 × 8,680.12
  4. Step 4: Simplify right side
    25,318.41x = 329,690,476.88
  5. Step 5: Solve for x
    x = 329,690,476.88/25,318.41
  6. Step 6: Final answer
    x = 13,021.77

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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.