Home / 19,170.66-26,458.61-11,211.30

Finding the Fourth Proportional to 19,170.66, 26,458.61 and 11,211.30

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Solution

The fourth proportional to 19,170.66, 26,458.61 and 11,211.30 is: 15,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.66 : 26,458.61 = 11,211.30 : x
  2. Step 2: Convert to fraction form
    19,170.66/26,458.61 = 11,211.30/x
  3. Step 3: Cross multiply
    19,170.66x = 26,458.61 × 11,211.30
  4. Step 4: Simplify right side
    19,170.66x = 296,635,414.29
  5. Step 5: Solve for x
    x = 296,635,414.29/19,170.66
  6. Step 6: Final answer
    x = 15,473.41

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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.