Home / 12,736.32-19,098-12,197.76

Finding the Fourth Proportional to 12,736.32, 19,098 and 12,197.76

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Solution

The fourth proportional to 12,736.32, 19,098 and 12,197.76 is: 18,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.32 : 19,098 = 12,197.76 : x
  2. Step 2: Convert to fraction form
    12,736.32/19,098 = 12,197.76/x
  3. Step 3: Cross multiply
    12,736.32x = 19,098 × 12,197.76
  4. Step 4: Simplify right side
    12,736.32x = 232,952,820.48
  5. Step 5: Solve for x
    x = 232,952,820.48/12,736.32
  6. Step 6: Final answer
    x = 18,290.43

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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.