Home / 13,170.08-19,753.04-3,933.92

Finding the Fourth Proportional to 13,170.08, 19,753.04 and 3,933.92

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Solution

The fourth proportional to 13,170.08, 19,753.04 and 3,933.92 is: 5,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.08 : 19,753.04 = 3,933.92 : x
  2. Step 2: Convert to fraction form
    13,170.08/19,753.04 = 3,933.92/x
  3. Step 3: Cross multiply
    13,170.08x = 19,753.04 × 3,933.92
  4. Step 4: Simplify right side
    13,170.08x = 77,706,879.12
  5. Step 5: Solve for x
    x = 77,706,879.12/13,170.08
  6. Step 6: Final answer
    x = 5,900.26

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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.