Home / 19,494.40-26,902.56-11,110.72

Finding the Fourth Proportional to 19,494.40, 26,902.56 and 11,110.72

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Solution

The fourth proportional to 19,494.40, 26,902.56 and 11,110.72 is: 15,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,494.40 : 26,902.56 = 11,110.72 : x
  2. Step 2: Convert to fraction form
    19,494.40/26,902.56 = 11,110.72/x
  3. Step 3: Cross multiply
    19,494.40x = 26,902.56 × 11,110.72
  4. Step 4: Simplify right side
    19,494.40x = 298,906,811.44
  5. Step 5: Solve for x
    x = 298,906,811.44/19,494.40
  6. Step 6: Final answer
    x = 15,332.96

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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.