Home / 19,517.76-26,934.92-11,557.08

Finding the Fourth Proportional to 19,517.76, 26,934.92 and 11,557.08

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Solution

The fourth proportional to 19,517.76, 26,934.92 and 11,557.08 is: 15,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.76 : 26,934.92 = 11,557.08 : x
  2. Step 2: Convert to fraction form
    19,517.76/26,934.92 = 11,557.08/x
  3. Step 3: Cross multiply
    19,517.76x = 26,934.92 × 11,557.08
  4. Step 4: Simplify right side
    19,517.76x = 311,289,025.23
  5. Step 5: Solve for x
    x = 311,289,025.23/19,517.76
  6. Step 6: Final answer
    x = 15,949.01

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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.