Home / 19,141.18-26,414.91-11,181.71

Finding the Fourth Proportional to 19,141.18, 26,414.91 and 11,181.71

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Solution

The fourth proportional to 19,141.18, 26,414.91 and 11,181.71 is: 15,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.18 : 26,414.91 = 11,181.71 : x
  2. Step 2: Convert to fraction form
    19,141.18/26,414.91 = 11,181.71/x
  3. Step 3: Cross multiply
    19,141.18x = 26,414.91 × 11,181.71
  4. Step 4: Simplify right side
    19,141.18x = 295,363,929.33
  5. Step 5: Solve for x
    x = 295,363,929.33/19,141.18
  6. Step 6: Final answer
    x = 15,430.81

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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.