Home / 19,517.32-29,218.56-12,097.96

Finding the Fourth Proportional to 19,517.32, 29,218.56 and 12,097.96

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Solution

The fourth proportional to 19,517.32, 29,218.56 and 12,097.96 is: 18,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.32 : 29,218.56 = 12,097.96 : x
  2. Step 2: Convert to fraction form
    19,517.32/29,218.56 = 12,097.96/x
  3. Step 3: Cross multiply
    19,517.32x = 29,218.56 × 12,097.96
  4. Step 4: Simplify right side
    19,517.32x = 353,484,970.14
  5. Step 5: Solve for x
    x = 353,484,970.14/19,517.32
  6. Step 6: Final answer
    x = 18,111.35

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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.