Home / 13,172.01-19,758.38-4,406.61

Finding the Fourth Proportional to 13,172.01, 19,758.38 and 4,406.61

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Solution

The fourth proportional to 13,172.01, 19,758.38 and 4,406.61 is: 6,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.01 : 19,758.38 = 4,406.61 : x
  2. Step 2: Convert to fraction form
    13,172.01/19,758.38 = 4,406.61/x
  3. Step 3: Cross multiply
    13,172.01x = 19,758.38 × 4,406.61
  4. Step 4: Simplify right side
    13,172.01x = 87,067,452.86
  5. Step 5: Solve for x
    x = 87,067,452.86/13,172.01
  6. Step 6: Final answer
    x = 6,610.04

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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.