Home / 13,231.22-19,752.15-12,769.52

Finding the Fourth Proportional to 13,231.22, 19,752.15 and 12,769.52

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Solution

The fourth proportional to 13,231.22, 19,752.15 and 12,769.52 is: 19,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.22 : 19,752.15 = 12,769.52 : x
  2. Step 2: Convert to fraction form
    13,231.22/19,752.15 = 12,769.52/x
  3. Step 3: Cross multiply
    13,231.22x = 19,752.15 × 12,769.52
  4. Step 4: Simplify right side
    13,231.22x = 252,225,474.47
  5. Step 5: Solve for x
    x = 252,225,474.47/13,231.22
  6. Step 6: Final answer
    x = 19,062.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.