Home / 17,912.22-26,870.67-5,432.46

Finding the Fourth Proportional to 17,912.22, 26,870.67 and 5,432.46

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Solution

The fourth proportional to 17,912.22, 26,870.67 and 5,432.46 is: 8,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.22 : 26,870.67 = 5,432.46 : x
  2. Step 2: Convert to fraction form
    17,912.22/26,870.67 = 5,432.46/x
  3. Step 3: Cross multiply
    17,912.22x = 26,870.67 × 5,432.46
  4. Step 4: Simplify right side
    17,912.22x = 145,973,839.95
  5. Step 5: Solve for x
    x = 145,973,839.95/17,912.22
  6. Step 6: Final answer
    x = 8,149.40

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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.