Home / 25,472.26-38,215.68-12,982.06

Finding the Fourth Proportional to 25,472.26, 38,215.68 and 12,982.06

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Solution

The fourth proportional to 25,472.26, 38,215.68 and 12,982.06 is: 19,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,472.26 : 38,215.68 = 12,982.06 : x
  2. Step 2: Convert to fraction form
    25,472.26/38,215.68 = 12,982.06/x
  3. Step 3: Cross multiply
    25,472.26x = 38,215.68 × 12,982.06
  4. Step 4: Simplify right side
    25,472.26x = 496,118,250.70
  5. Step 5: Solve for x
    x = 496,118,250.70/25,472.26
  6. Step 6: Final answer
    x = 19,476.81

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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.