Home / 17,556.55-26,311.43-7,685.08

Finding the Fourth Proportional to 17,556.55, 26,311.43 and 7,685.08

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Solution

The fourth proportional to 17,556.55, 26,311.43 and 7,685.08 is: 11,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,556.55 : 26,311.43 = 7,685.08 : x
  2. Step 2: Convert to fraction form
    17,556.55/26,311.43 = 7,685.08/x
  3. Step 3: Cross multiply
    17,556.55x = 26,311.43 × 7,685.08
  4. Step 4: Simplify right side
    17,556.55x = 202,205,397.90
  5. Step 5: Solve for x
    x = 202,205,397.90/17,556.55
  6. Step 6: Final answer
    x = 11,517.38

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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.