Home / 19,281.73-26,609.15-11,728.38

Finding the Fourth Proportional to 19,281.73, 26,609.15 and 11,728.38

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Solution

The fourth proportional to 19,281.73, 26,609.15 and 11,728.38 is: 16,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.73 : 26,609.15 = 11,728.38 : x
  2. Step 2: Convert to fraction form
    19,281.73/26,609.15 = 11,728.38/x
  3. Step 3: Cross multiply
    19,281.73x = 26,609.15 × 11,728.38
  4. Step 4: Simplify right side
    19,281.73x = 312,082,222.68
  5. Step 5: Solve for x
    x = 312,082,222.68/19,281.73
  6. Step 6: Final answer
    x = 16,185.38

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Similar ratio
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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.