Home / 19,168.68-26,451.78-11,211.72

Finding the Fourth Proportional to 19,168.68, 26,451.78 and 11,211.72

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Solution

The fourth proportional to 19,168.68, 26,451.78 and 11,211.72 is: 15,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.68 : 26,451.78 = 11,211.72 : x
  2. Step 2: Convert to fraction form
    19,168.68/26,451.78 = 11,211.72/x
  3. Step 3: Cross multiply
    19,168.68x = 26,451.78 × 11,211.72
  4. Step 4: Simplify right side
    19,168.68x = 296,569,950.86
  5. Step 5: Solve for x
    x = 296,569,950.86/19,168.68
  6. Step 6: Final answer
    x = 15,471.59

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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.