Home / 19,081.60-26,327.82-11,532.40

Finding the Fourth Proportional to 19,081.60, 26,327.82 and 11,532.40

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Solution

The fourth proportional to 19,081.60, 26,327.82 and 11,532.40 is: 15,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.60 : 26,327.82 = 11,532.40 : x
  2. Step 2: Convert to fraction form
    19,081.60/26,327.82 = 11,532.40/x
  3. Step 3: Cross multiply
    19,081.60x = 26,327.82 × 11,532.40
  4. Step 4: Simplify right side
    19,081.60x = 303,622,951.37
  5. Step 5: Solve for x
    x = 303,622,951.37/19,081.60
  6. Step 6: Final answer
    x = 15,911.82

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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.