Home / 17,601.32-26,400.66-5,121.44

Finding the Fourth Proportional to 17,601.32, 26,400.66 and 5,121.44

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Solution

The fourth proportional to 17,601.32, 26,400.66 and 5,121.44 is: 7,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.32 : 26,400.66 = 5,121.44 : x
  2. Step 2: Convert to fraction form
    17,601.32/26,400.66 = 5,121.44/x
  3. Step 3: Cross multiply
    17,601.32x = 26,400.66 × 5,121.44
  4. Step 4: Simplify right side
    17,601.32x = 135,209,396.15
  5. Step 5: Solve for x
    x = 135,209,396.15/17,601.32
  6. Step 6: Final answer
    x = 7,681.78

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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.