Home / 14,067.80-21,095.16-5,180.88

Finding the Fourth Proportional to 14,067.80, 21,095.16 and 5,180.88

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Solution

The fourth proportional to 14,067.80, 21,095.16 and 5,180.88 is: 7,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.80 : 21,095.16 = 5,180.88 : x
  2. Step 2: Convert to fraction form
    14,067.80/21,095.16 = 5,180.88/x
  3. Step 3: Cross multiply
    14,067.80x = 21,095.16 × 5,180.88
  4. Step 4: Simplify right side
    14,067.80x = 109,291,492.54
  5. Step 5: Solve for x
    x = 109,291,492.54/14,067.80
  6. Step 6: Final answer
    x = 7,768.91

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1.5x scale

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.