Home / 19,243.14-26,545.75-11,687.46

Finding the Fourth Proportional to 19,243.14, 26,545.75 and 11,687.46

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Solution

The fourth proportional to 19,243.14, 26,545.75 and 11,687.46 is: 16,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.14 : 26,545.75 = 11,687.46 : x
  2. Step 2: Convert to fraction form
    19,243.14/26,545.75 = 11,687.46/x
  3. Step 3: Cross multiply
    19,243.14x = 26,545.75 × 11,687.46
  4. Step 4: Simplify right side
    19,243.14x = 310,252,391.30
  5. Step 5: Solve for x
    x = 310,252,391.30/19,243.14
  6. Step 6: Final answer
    x = 16,122.75

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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.