Home / 26,674.68-36,815.82-15,920.31

Finding the Fourth Proportional to 26,674.68, 36,815.82 and 15,920.31

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Solution

The fourth proportional to 26,674.68, 36,815.82 and 15,920.31 is: 21,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,674.68 : 36,815.82 = 15,920.31 : x
  2. Step 2: Convert to fraction form
    26,674.68/36,815.82 = 15,920.31/x
  3. Step 3: Cross multiply
    26,674.68x = 36,815.82 × 15,920.31
  4. Step 4: Simplify right side
    26,674.68x = 586,119,267.30
  5. Step 5: Solve for x
    x = 586,119,267.30/26,674.68
  6. Step 6: Final answer
    x = 21,972.87

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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.