Home / 19,184.06-28,780.20-10,868.06

Finding the Fourth Proportional to 19,184.06, 28,780.20 and 10,868.06

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Solution

The fourth proportional to 19,184.06, 28,780.20 and 10,868.06 is: 16,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.06 : 28,780.20 = 10,868.06 : x
  2. Step 2: Convert to fraction form
    19,184.06/28,780.20 = 10,868.06/x
  3. Step 3: Cross multiply
    19,184.06x = 28,780.20 × 10,868.06
  4. Step 4: Simplify right side
    19,184.06x = 312,784,796.51
  5. Step 5: Solve for x
    x = 312,784,796.51/19,184.06
  6. Step 6: Final answer
    x = 16,304.42

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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.