Home / 14,101.20-21,151.20-5,778.48

Finding the Fourth Proportional to 14,101.20, 21,151.20 and 5,778.48

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Solution

The fourth proportional to 14,101.20, 21,151.20 and 5,778.48 is: 8,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.20 : 21,151.20 = 5,778.48 : x
  2. Step 2: Convert to fraction form
    14,101.20/21,151.20 = 5,778.48/x
  3. Step 3: Cross multiply
    14,101.20x = 21,151.20 × 5,778.48
  4. Step 4: Simplify right side
    14,101.20x = 122,221,786.18
  5. Step 5: Solve for x
    x = 122,221,786.18/14,101.20
  6. Step 6: Final answer
    x = 8,667.47

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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.