Home / 16,993.43-25,490.15-5,307.65

Finding the Fourth Proportional to 16,993.43, 25,490.15 and 5,307.65

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Solution

The fourth proportional to 16,993.43, 25,490.15 and 5,307.65 is: 7,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.43 : 25,490.15 = 5,307.65 : x
  2. Step 2: Convert to fraction form
    16,993.43/25,490.15 = 5,307.65/x
  3. Step 3: Cross multiply
    16,993.43x = 25,490.15 × 5,307.65
  4. Step 4: Simplify right side
    16,993.43x = 135,292,794.65
  5. Step 5: Solve for x
    x = 135,292,794.65/16,993.43
  6. Step 6: Final answer
    x = 7,961.48

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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.