Home / 19,173.05-26,456.92-11,213.72

Finding the Fourth Proportional to 19,173.05, 26,456.92 and 11,213.72

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Solution

The fourth proportional to 19,173.05, 26,456.92 and 11,213.72 is: 15,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.05 : 26,456.92 = 11,213.72 : x
  2. Step 2: Convert to fraction form
    19,173.05/26,456.92 = 11,213.72/x
  3. Step 3: Cross multiply
    19,173.05x = 26,456.92 × 11,213.72
  4. Step 4: Simplify right side
    19,173.05x = 296,680,332.62
  5. Step 5: Solve for x
    x = 296,680,332.62/19,173.05
  6. Step 6: Final answer
    x = 15,473.82

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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.