Home / 16,463.88-22,721.36-9,390.48

Finding the Fourth Proportional to 16,463.88, 22,721.36 and 9,390.48

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Solution

The fourth proportional to 16,463.88, 22,721.36 and 9,390.48 is: 12,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,463.88 : 22,721.36 = 9,390.48 : x
  2. Step 2: Convert to fraction form
    16,463.88/22,721.36 = 9,390.48/x
  3. Step 3: Cross multiply
    16,463.88x = 22,721.36 × 9,390.48
  4. Step 4: Simplify right side
    16,463.88x = 213,364,476.65
  5. Step 5: Solve for x
    x = 213,364,476.65/16,463.88
  6. Step 6: Final answer
    x = 12,959.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.