Home / 12,924.52-19,390.66-4,039.49

Finding the Fourth Proportional to 12,924.52, 19,390.66 and 4,039.49

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Solution

The fourth proportional to 12,924.52, 19,390.66 and 4,039.49 is: 6,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.52 : 19,390.66 = 4,039.49 : x
  2. Step 2: Convert to fraction form
    12,924.52/19,390.66 = 4,039.49/x
  3. Step 3: Cross multiply
    12,924.52x = 19,390.66 × 4,039.49
  4. Step 4: Simplify right side
    12,924.52x = 78,328,377.16
  5. Step 5: Solve for x
    x = 78,328,377.16/12,924.52
  6. Step 6: Final answer
    x = 6,060.45

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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.