Home / 13,155.72-19,733.12-3,295.08

Finding the Fourth Proportional to 13,155.72, 19,733.12 and 3,295.08

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Solution

The fourth proportional to 13,155.72, 19,733.12 and 3,295.08 is: 4,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.72 : 19,733.12 = 3,295.08 : x
  2. Step 2: Convert to fraction form
    13,155.72/19,733.12 = 3,295.08/x
  3. Step 3: Cross multiply
    13,155.72x = 19,733.12 × 3,295.08
  4. Step 4: Simplify right side
    13,155.72x = 65,022,204.93
  5. Step 5: Solve for x
    x = 65,022,204.93/13,155.72
  6. Step 6: Final answer
    x = 4,942.51

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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.