Home / 15,121.46-22,667.60-7,326.02

Finding the Fourth Proportional to 15,121.46, 22,667.60 and 7,326.02

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Solution

The fourth proportional to 15,121.46, 22,667.60 and 7,326.02 is: 10,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.46 : 22,667.60 = 7,326.02 : x
  2. Step 2: Convert to fraction form
    15,121.46/22,667.60 = 7,326.02/x
  3. Step 3: Cross multiply
    15,121.46x = 22,667.60 × 7,326.02
  4. Step 4: Simplify right side
    15,121.46x = 166,063,290.95
  5. Step 5: Solve for x
    x = 166,063,290.95/15,121.46
  6. Step 6: Final answer
    x = 10,981.96

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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.