Home / 19,211.12-26,517.96-11,255.92

Finding the Fourth Proportional to 19,211.12, 26,517.96 and 11,255.92

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Solution

The fourth proportional to 19,211.12, 26,517.96 and 11,255.92 is: 15,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.12 : 26,517.96 = 11,255.92 : x
  2. Step 2: Convert to fraction form
    19,211.12/26,517.96 = 11,255.92/x
  3. Step 3: Cross multiply
    19,211.12x = 26,517.96 × 11,255.92
  4. Step 4: Simplify right side
    19,211.12x = 298,484,036.32
  5. Step 5: Solve for x
    x = 298,484,036.32/19,211.12
  6. Step 6: Final answer
    x = 15,537.05

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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.