Home / 19,437.82-26,759.28-18,545.11

Finding the Fourth Proportional to 19,437.82, 26,759.28 and 18,545.11

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Solution

The fourth proportional to 19,437.82, 26,759.28 and 18,545.11 is: 25,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.82 : 26,759.28 = 18,545.11 : x
  2. Step 2: Convert to fraction form
    19,437.82/26,759.28 = 18,545.11/x
  3. Step 3: Cross multiply
    19,437.82x = 26,759.28 × 18,545.11
  4. Step 4: Simplify right side
    19,437.82x = 496,253,791.12
  5. Step 5: Solve for x
    x = 496,253,791.12/19,437.82
  6. Step 6: Final answer
    x = 25,530.32

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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.