Home / 22,448.73-30,979.08-12,377.19

Finding the Fourth Proportional to 22,448.73, 30,979.08 and 12,377.19

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Solution

The fourth proportional to 22,448.73, 30,979.08 and 12,377.19 is: 17,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.73 : 30,979.08 = 12,377.19 : x
  2. Step 2: Convert to fraction form
    22,448.73/30,979.08 = 12,377.19/x
  3. Step 3: Cross multiply
    22,448.73x = 30,979.08 × 12,377.19
  4. Step 4: Simplify right side
    22,448.73x = 383,433,959.19
  5. Step 5: Solve for x
    x = 383,433,959.19/22,448.73
  6. Step 6: Final answer
    x = 17,080.43

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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.