Home / 16,878.80-25,319.64-4,400.48

Finding the Fourth Proportional to 16,878.80, 25,319.64 and 4,400.48

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Solution

The fourth proportional to 16,878.80, 25,319.64 and 4,400.48 is: 6,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.80 : 25,319.64 = 4,400.48 : x
  2. Step 2: Convert to fraction form
    16,878.80/25,319.64 = 4,400.48/x
  3. Step 3: Cross multiply
    16,878.80x = 25,319.64 × 4,400.48
  4. Step 4: Simplify right side
    16,878.80x = 111,418,569.43
  5. Step 5: Solve for x
    x = 111,418,569.43/16,878.80
  6. Step 6: Final answer
    x = 6,601.10

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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.