Home / 14,540.28-20,067.66-10,520.16

Finding the Fourth Proportional to 14,540.28, 20,067.66 and 10,520.16

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Solution

The fourth proportional to 14,540.28, 20,067.66 and 10,520.16 is: 14,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.28 : 20,067.66 = 10,520.16 : x
  2. Step 2: Convert to fraction form
    14,540.28/20,067.66 = 10,520.16/x
  3. Step 3: Cross multiply
    14,540.28x = 20,067.66 × 10,520.16
  4. Step 4: Simplify right side
    14,540.28x = 211,114,994.03
  5. Step 5: Solve for x
    x = 211,114,994.03/14,540.28
  6. Step 6: Final answer
    x = 14,519.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.