Home / 19,240.88-26,545.11-11,684.36

Finding the Fourth Proportional to 19,240.88, 26,545.11 and 11,684.36

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Solution

The fourth proportional to 19,240.88, 26,545.11 and 11,684.36 is: 16,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.88 : 26,545.11 = 11,684.36 : x
  2. Step 2: Convert to fraction form
    19,240.88/26,545.11 = 11,684.36/x
  3. Step 3: Cross multiply
    19,240.88x = 26,545.11 × 11,684.36
  4. Step 4: Simplify right side
    19,240.88x = 310,162,494.71
  5. Step 5: Solve for x
    x = 310,162,494.71/19,240.88
  6. Step 6: Final answer
    x = 16,119.97

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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.