Home / 19,550.20-26,947.82-15,294.04

Finding the Fourth Proportional to 19,550.20, 26,947.82 and 15,294.04

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Solution

The fourth proportional to 19,550.20, 26,947.82 and 15,294.04 is: 21,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.20 : 26,947.82 = 15,294.04 : x
  2. Step 2: Convert to fraction form
    19,550.20/26,947.82 = 15,294.04/x
  3. Step 3: Cross multiply
    19,550.20x = 26,947.82 × 15,294.04
  4. Step 4: Simplify right side
    19,550.20x = 412,141,036.99
  5. Step 5: Solve for x
    x = 412,141,036.99/19,550.20
  6. Step 6: Final answer
    x = 21,081.17

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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.