Home / 16,720.62-25,081.95-5,626.37

Finding the Fourth Proportional to 16,720.62, 25,081.95 and 5,626.37

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Solution

The fourth proportional to 16,720.62, 25,081.95 and 5,626.37 is: 8,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.62 : 25,081.95 = 5,626.37 : x
  2. Step 2: Convert to fraction form
    16,720.62/25,081.95 = 5,626.37/x
  3. Step 3: Cross multiply
    16,720.62x = 25,081.95 × 5,626.37
  4. Step 4: Simplify right side
    16,720.62x = 141,120,331.02
  5. Step 5: Solve for x
    x = 141,120,331.02/16,720.62
  6. Step 6: Final answer
    x = 8,439.90

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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.