Home / 19,053.06-28,568.10-8,517.40

Finding the Fourth Proportional to 19,053.06, 28,568.10 and 8,517.40

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Solution

The fourth proportional to 19,053.06, 28,568.10 and 8,517.40 is: 12,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.06 : 28,568.10 = 8,517.40 : x
  2. Step 2: Convert to fraction form
    19,053.06/28,568.10 = 8,517.40/x
  3. Step 3: Cross multiply
    19,053.06x = 28,568.10 × 8,517.40
  4. Step 4: Simplify right side
    19,053.06x = 243,325,934.94
  5. Step 5: Solve for x
    x = 243,325,934.94/19,053.06
  6. Step 6: Final answer
    x = 12,770.96

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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.