Home / 19,517.58-26,934.35-11,020.05

Finding the Fourth Proportional to 19,517.58, 26,934.35 and 11,020.05

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Solution

The fourth proportional to 19,517.58, 26,934.35 and 11,020.05 is: 15,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.58 : 26,934.35 = 11,020.05 : x
  2. Step 2: Convert to fraction form
    19,517.58/26,934.35 = 11,020.05/x
  3. Step 3: Cross multiply
    19,517.58x = 26,934.35 × 11,020.05
  4. Step 4: Simplify right side
    19,517.58x = 296,817,828.62
  5. Step 5: Solve for x
    x = 296,817,828.62/19,517.58
  6. Step 6: Final answer
    x = 15,207.72

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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.