Home / 14,255.87-21,385.01-5,252.44

Finding the Fourth Proportional to 14,255.87, 21,385.01 and 5,252.44

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Solution

The fourth proportional to 14,255.87, 21,385.01 and 5,252.44 is: 7,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.87 : 21,385.01 = 5,252.44 : x
  2. Step 2: Convert to fraction form
    14,255.87/21,385.01 = 5,252.44/x
  3. Step 3: Cross multiply
    14,255.87x = 21,385.01 × 5,252.44
  4. Step 4: Simplify right side
    14,255.87x = 112,323,402.20
  5. Step 5: Solve for x
    x = 112,323,402.20/14,255.87
  6. Step 6: Final answer
    x = 7,879.10

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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.