Home / 19,112.90-26,377.11-11,559.53

Finding the Fourth Proportional to 19,112.90, 26,377.11 and 11,559.53

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Solution

The fourth proportional to 19,112.90, 26,377.11 and 11,559.53 is: 15,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.90 : 26,377.11 = 11,559.53 : x
  2. Step 2: Convert to fraction form
    19,112.90/26,377.11 = 11,559.53/x
  3. Step 3: Cross multiply
    19,112.90x = 26,377.11 × 11,559.53
  4. Step 4: Simplify right side
    19,112.90x = 304,907,060.30
  5. Step 5: Solve for x
    x = 304,907,060.30/19,112.90
  6. Step 6: Final answer
    x = 15,952.95

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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.