Home / 31,527.03-43,505.97-17,186.55

Finding the Fourth Proportional to 31,527.03, 43,505.97 and 17,186.55

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Solution

The fourth proportional to 31,527.03, 43,505.97 and 17,186.55 is: 23,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.03 : 43,505.97 = 17,186.55 : x
  2. Step 2: Convert to fraction form
    31,527.03/43,505.97 = 17,186.55/x
  3. Step 3: Cross multiply
    31,527.03x = 43,505.97 × 17,186.55
  4. Step 4: Simplify right side
    31,527.03x = 747,717,528.70
  5. Step 5: Solve for x
    x = 747,717,528.70/31,527.03
  6. Step 6: Final answer
    x = 23,716.71

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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.