Home / 13,016.60-19,524.89-3,155.87

Finding the Fourth Proportional to 13,016.60, 19,524.89 and 3,155.87

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Solution

The fourth proportional to 13,016.60, 19,524.89 and 3,155.87 is: 4,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.60 : 19,524.89 = 3,155.87 : x
  2. Step 2: Convert to fraction form
    13,016.60/19,524.89 = 3,155.87/x
  3. Step 3: Cross multiply
    13,016.60x = 19,524.89 × 3,155.87
  4. Step 4: Simplify right side
    13,016.60x = 61,617,998.82
  5. Step 5: Solve for x
    x = 61,617,998.82/13,016.60
  6. Step 6: Final answer
    x = 4,733.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.