Home / 14,694.17-20,277.89-7,979.75

Finding the Fourth Proportional to 14,694.17, 20,277.89 and 7,979.75

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Solution

The fourth proportional to 14,694.17, 20,277.89 and 7,979.75 is: 11,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.17 : 20,277.89 = 7,979.75 : x
  2. Step 2: Convert to fraction form
    14,694.17/20,277.89 = 7,979.75/x
  3. Step 3: Cross multiply
    14,694.17x = 20,277.89 × 7,979.75
  4. Step 4: Simplify right side
    14,694.17x = 161,812,351.44
  5. Step 5: Solve for x
    x = 161,812,351.44/14,694.17
  6. Step 6: Final answer
    x = 11,012.01

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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.