Home / 18,714.66-28,072.47-5,567.15

Finding the Fourth Proportional to 18,714.66, 28,072.47 and 5,567.15

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Solution

The fourth proportional to 18,714.66, 28,072.47 and 5,567.15 is: 8,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.66 : 28,072.47 = 5,567.15 : x
  2. Step 2: Convert to fraction form
    18,714.66/28,072.47 = 5,567.15/x
  3. Step 3: Cross multiply
    18,714.66x = 28,072.47 × 5,567.15
  4. Step 4: Simplify right side
    18,714.66x = 156,283,511.00
  5. Step 5: Solve for x
    x = 156,283,511.00/18,714.66
  6. Step 6: Final answer
    x = 8,350.86

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1.5x scale

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.