Home / 14,878.45-22,317.80-3,785.15

Finding the Fourth Proportional to 14,878.45, 22,317.80 and 3,785.15

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Solution

The fourth proportional to 14,878.45, 22,317.80 and 3,785.15 is: 5,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.45 : 22,317.80 = 3,785.15 : x
  2. Step 2: Convert to fraction form
    14,878.45/22,317.80 = 3,785.15/x
  3. Step 3: Cross multiply
    14,878.45x = 22,317.80 × 3,785.15
  4. Step 4: Simplify right side
    14,878.45x = 84,476,104.35
  5. Step 5: Solve for x
    x = 84,476,104.35/14,878.45
  6. Step 6: Final answer
    x = 5,677.75

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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.