Home / 16,920.43-25,380.36-5,826.87

Finding the Fourth Proportional to 16,920.43, 25,380.36 and 5,826.87

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Solution

The fourth proportional to 16,920.43, 25,380.36 and 5,826.87 is: 8,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.43 : 25,380.36 = 5,826.87 : x
  2. Step 2: Convert to fraction form
    16,920.43/25,380.36 = 5,826.87/x
  3. Step 3: Cross multiply
    16,920.43x = 25,380.36 × 5,826.87
  4. Step 4: Simplify right side
    16,920.43x = 147,888,058.27
  5. Step 5: Solve for x
    x = 147,888,058.27/16,920.43
  6. Step 6: Final answer
    x = 8,740.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.