Home / 14,228.18-21,347.80-5,906.12

Finding the Fourth Proportional to 14,228.18, 21,347.80 and 5,906.12

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Solution

The fourth proportional to 14,228.18, 21,347.80 and 5,906.12 is: 8,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.18 : 21,347.80 = 5,906.12 : x
  2. Step 2: Convert to fraction form
    14,228.18/21,347.80 = 5,906.12/x
  3. Step 3: Cross multiply
    14,228.18x = 21,347.80 × 5,906.12
  4. Step 4: Simplify right side
    14,228.18x = 126,082,668.54
  5. Step 5: Solve for x
    x = 126,082,668.54/14,228.18
  6. Step 6: Final answer
    x = 8,861.48

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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.