Home / 31,527.14-43,506.86-17,187.11

Finding the Fourth Proportional to 31,527.14, 43,506.86 and 17,187.11

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Solution

The fourth proportional to 31,527.14, 43,506.86 and 17,187.11 is: 23,717.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.14 : 43,506.86 = 17,187.11 : x
  2. Step 2: Convert to fraction form
    31,527.14/43,506.86 = 17,187.11/x
  3. Step 3: Cross multiply
    31,527.14x = 43,506.86 × 17,187.11
  4. Step 4: Simplify right side
    31,527.14x = 747,757,188.57
  5. Step 5: Solve for x
    x = 747,757,188.57/31,527.14
  6. Step 6: Final answer
    x = 23,717.89

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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.