Home / 17,115.90-25,630.65-11,240.70

Finding the Fourth Proportional to 17,115.90, 25,630.65 and 11,240.70

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Solution

The fourth proportional to 17,115.90, 25,630.65 and 11,240.70 is: 16,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.90 : 25,630.65 = 11,240.70 : x
  2. Step 2: Convert to fraction form
    17,115.90/25,630.65 = 11,240.70/x
  3. Step 3: Cross multiply
    17,115.90x = 25,630.65 × 11,240.70
  4. Step 4: Simplify right side
    17,115.90x = 288,106,447.46
  5. Step 5: Solve for x
    x = 288,106,447.46/17,115.90
  6. Step 6: Final answer
    x = 16,832.68

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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.