Home / 22,448.73-30,979.46-12,377.53

Finding the Fourth Proportional to 22,448.73, 30,979.46 and 12,377.53

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Solution

The fourth proportional to 22,448.73, 30,979.46 and 12,377.53 is: 17,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.73 : 30,979.46 = 12,377.53 : x
  2. Step 2: Convert to fraction form
    22,448.73/30,979.46 = 12,377.53/x
  3. Step 3: Cross multiply
    22,448.73x = 30,979.46 × 12,377.53
  4. Step 4: Simplify right side
    22,448.73x = 383,449,195.53
  5. Step 5: Solve for x
    x = 383,449,195.53/22,448.73
  6. Step 6: Final answer
    x = 17,081.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.