Home / 17,207.85-23,755.18-11,540.53

Finding the Fourth Proportional to 17,207.85, 23,755.18 and 11,540.53

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Solution

The fourth proportional to 17,207.85, 23,755.18 and 11,540.53 is: 15,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.85 : 23,755.18 = 11,540.53 : x
  2. Step 2: Convert to fraction form
    17,207.85/23,755.18 = 11,540.53/x
  3. Step 3: Cross multiply
    17,207.85x = 23,755.18 × 11,540.53
  4. Step 4: Simplify right side
    17,207.85x = 274,147,227.45
  5. Step 5: Solve for x
    x = 274,147,227.45/17,207.85
  6. Step 6: Final answer
    x = 15,931.52

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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.