Home / 19,517.72-26,934.96-11,557.04

Finding the Fourth Proportional to 19,517.72, 26,934.96 and 11,557.04

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Solution

The fourth proportional to 19,517.72, 26,934.96 and 11,557.04 is: 15,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.72 : 26,934.96 = 11,557.04 : x
  2. Step 2: Convert to fraction form
    19,517.72/26,934.96 = 11,557.04/x
  3. Step 3: Cross multiply
    19,517.72x = 26,934.96 × 11,557.04
  4. Step 4: Simplify right side
    19,517.72x = 311,288,410.12
  5. Step 5: Solve for x
    x = 311,288,410.12/19,517.72
  6. Step 6: Final answer
    x = 15,949.02

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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.