Home / 13,155.82-19,733.64-3,295.06

Finding the Fourth Proportional to 13,155.82, 19,733.64 and 3,295.06

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Solution

The fourth proportional to 13,155.82, 19,733.64 and 3,295.06 is: 4,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.82 : 19,733.64 = 3,295.06 : x
  2. Step 2: Convert to fraction form
    13,155.82/19,733.64 = 3,295.06/x
  3. Step 3: Cross multiply
    13,155.82x = 19,733.64 × 3,295.06
  4. Step 4: Simplify right side
    13,155.82x = 65,023,527.82
  5. Step 5: Solve for x
    x = 65,023,527.82/13,155.82
  6. Step 6: Final answer
    x = 4,942.57

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1.5x scale

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.