Home / 13,986.13-20,974.19-4,624.42

Finding the Fourth Proportional to 13,986.13, 20,974.19 and 4,624.42

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Solution

The fourth proportional to 13,986.13, 20,974.19 and 4,624.42 is: 6,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.13 : 20,974.19 = 4,624.42 : x
  2. Step 2: Convert to fraction form
    13,986.13/20,974.19 = 4,624.42/x
  3. Step 3: Cross multiply
    13,986.13x = 20,974.19 × 4,624.42
  4. Step 4: Simplify right side
    13,986.13x = 96,993,463.72
  5. Step 5: Solve for x
    x = 96,993,463.72/13,986.13
  6. Step 6: Final answer
    x = 6,934.98

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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.