Home / 17,121.12-25,696.08-6,740.16

Finding the Fourth Proportional to 17,121.12, 25,696.08 and 6,740.16

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Solution

The fourth proportional to 17,121.12, 25,696.08 and 6,740.16 is: 10,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.12 : 25,696.08 = 6,740.16 : x
  2. Step 2: Convert to fraction form
    17,121.12/25,696.08 = 6,740.16/x
  3. Step 3: Cross multiply
    17,121.12x = 25,696.08 × 6,740.16
  4. Step 4: Simplify right side
    17,121.12x = 173,195,690.57
  5. Step 5: Solve for x
    x = 173,195,690.57/17,121.12
  6. Step 6: Final answer
    x = 10,115.91

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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.