Home / 19,230.39-26,538.62-11,163.42

Finding the Fourth Proportional to 19,230.39, 26,538.62 and 11,163.42

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Solution

The fourth proportional to 19,230.39, 26,538.62 and 11,163.42 is: 15,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.39 : 26,538.62 = 11,163.42 : x
  2. Step 2: Convert to fraction form
    19,230.39/26,538.62 = 11,163.42/x
  3. Step 3: Cross multiply
    19,230.39x = 26,538.62 × 11,163.42
  4. Step 4: Simplify right side
    19,230.39x = 296,261,705.46
  5. Step 5: Solve for x
    x = 296,261,705.46/19,230.39
  6. Step 6: Final answer
    x = 15,405.91

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Half scale
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Double 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.