Home / 19,123.14-26,375.31-16,761.18

Finding the Fourth Proportional to 19,123.14, 26,375.31 and 16,761.18

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Solution

The fourth proportional to 19,123.14, 26,375.31 and 16,761.18 is: 23,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.14 : 26,375.31 = 16,761.18 : x
  2. Step 2: Convert to fraction form
    19,123.14/26,375.31 = 16,761.18/x
  3. Step 3: Cross multiply
    19,123.14x = 26,375.31 × 16,761.18
  4. Step 4: Simplify right side
    19,123.14x = 442,081,318.47
  5. Step 5: Solve for x
    x = 442,081,318.47/19,123.14
  6. Step 6: Final answer
    x = 23,117.61

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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.