Home / 15,382.22-23,078.68-4,853.86

Finding the Fourth Proportional to 15,382.22, 23,078.68 and 4,853.86

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Solution

The fourth proportional to 15,382.22, 23,078.68 and 4,853.86 is: 7,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.22 : 23,078.68 = 4,853.86 : x
  2. Step 2: Convert to fraction form
    15,382.22/23,078.68 = 4,853.86/x
  3. Step 3: Cross multiply
    15,382.22x = 23,078.68 × 4,853.86
  4. Step 4: Simplify right side
    15,382.22x = 112,020,681.70
  5. Step 5: Solve for x
    x = 112,020,681.70/15,382.22
  6. Step 6: Final answer
    x = 7,282.48

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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.