Home / 22,734.38-31,377.80-12,798.38

Finding the Fourth Proportional to 22,734.38, 31,377.80 and 12,798.38

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Solution

The fourth proportional to 22,734.38, 31,377.80 and 12,798.38 is: 17,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,734.38 : 31,377.80 = 12,798.38 : x
  2. Step 2: Convert to fraction form
    22,734.38/31,377.80 = 12,798.38/x
  3. Step 3: Cross multiply
    22,734.38x = 31,377.80 × 12,798.38
  4. Step 4: Simplify right side
    22,734.38x = 401,584,787.08
  5. Step 5: Solve for x
    x = 401,584,787.08/22,734.38
  6. Step 6: Final answer
    x = 17,664.21

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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.