Home / 19,122.38-26,378.25-17,769.29

Finding the Fourth Proportional to 19,122.38, 26,378.25 and 17,769.29

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Solution

The fourth proportional to 19,122.38, 26,378.25 and 17,769.29 is: 24,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.38 : 26,378.25 = 17,769.29 : x
  2. Step 2: Convert to fraction form
    19,122.38/26,378.25 = 17,769.29/x
  3. Step 3: Cross multiply
    19,122.38x = 26,378.25 × 17,769.29
  4. Step 4: Simplify right side
    19,122.38x = 468,722,773.94
  5. Step 5: Solve for x
    x = 468,722,773.94/19,122.38
  6. Step 6: Final answer
    x = 24,511.74

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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.