Home / 19,122.27-26,378.10-17,769.18

Finding the Fourth Proportional to 19,122.27, 26,378.10 and 17,769.18

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Solution

The fourth proportional to 19,122.27, 26,378.10 and 17,769.18 is: 24,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.27 : 26,378.10 = 17,769.18 : x
  2. Step 2: Convert to fraction form
    19,122.27/26,378.10 = 17,769.18/x
  3. Step 3: Cross multiply
    19,122.27x = 26,378.10 × 17,769.18
  4. Step 4: Simplify right side
    19,122.27x = 468,717,206.96
  5. Step 5: Solve for x
    x = 468,717,206.96/19,122.27
  6. Step 6: Final answer
    x = 24,511.59

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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.