Home / 13,565.93-20,348.69-3,705.18

Finding the Fourth Proportional to 13,565.93, 20,348.69 and 3,705.18

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Solution

The fourth proportional to 13,565.93, 20,348.69 and 3,705.18 is: 5,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.93 : 20,348.69 = 3,705.18 : x
  2. Step 2: Convert to fraction form
    13,565.93/20,348.69 = 3,705.18/x
  3. Step 3: Cross multiply
    13,565.93x = 20,348.69 × 3,705.18
  4. Step 4: Simplify right side
    13,565.93x = 75,395,464.38
  5. Step 5: Solve for x
    x = 75,395,464.38/13,565.93
  6. Step 6: Final answer
    x = 5,557.71

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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.