Home / 19,213.55-26,517.30-11,258.93

Finding the Fourth Proportional to 19,213.55, 26,517.30 and 11,258.93

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Solution

The fourth proportional to 19,213.55, 26,517.30 and 11,258.93 is: 15,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.55 : 26,517.30 = 11,258.93 : x
  2. Step 2: Convert to fraction form
    19,213.55/26,517.30 = 11,258.93/x
  3. Step 3: Cross multiply
    19,213.55x = 26,517.30 × 11,258.93
  4. Step 4: Simplify right side
    19,213.55x = 298,556,424.49
  5. Step 5: Solve for x
    x = 298,556,424.49/19,213.55
  6. Step 6: Final answer
    x = 15,538.85

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Half scale
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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.