Home / 17,207.67-23,738.40-10,909.11

Finding the Fourth Proportional to 17,207.67, 23,738.40 and 10,909.11

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Solution

The fourth proportional to 17,207.67, 23,738.40 and 10,909.11 is: 15,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.67 : 23,738.40 = 10,909.11 : x
  2. Step 2: Convert to fraction form
    17,207.67/23,738.40 = 10,909.11/x
  3. Step 3: Cross multiply
    17,207.67x = 23,738.40 × 10,909.11
  4. Step 4: Simplify right side
    17,207.67x = 258,964,816.82
  5. Step 5: Solve for x
    x = 258,964,816.82/17,207.67
  6. Step 6: Final answer
    x = 15,049.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.