Home / 14,112-19,474.56-8,521.92

Finding the Fourth Proportional to 14,112, 19,474.56 and 8,521.92

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Solution

The fourth proportional to 14,112, 19,474.56 and 8,521.92 is: 11,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112 : 19,474.56 = 8,521.92 : x
  2. Step 2: Convert to fraction form
    14,112/19,474.56 = 8,521.92/x
  3. Step 3: Cross multiply
    14,112x = 19,474.56 × 8,521.92
  4. Step 4: Simplify right side
    14,112x = 165,960,642.36
  5. Step 5: Solve for x
    x = 165,960,642.36/14,112
  6. Step 6: Final answer
    x = 11,760.25

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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.