Home / 14,101.19-21,144.85-5,778.95

Finding the Fourth Proportional to 14,101.19, 21,144.85 and 5,778.95

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Solution

The fourth proportional to 14,101.19, 21,144.85 and 5,778.95 is: 8,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.19 : 21,144.85 = 5,778.95 : x
  2. Step 2: Convert to fraction form
    14,101.19/21,144.85 = 5,778.95/x
  3. Step 3: Cross multiply
    14,101.19x = 21,144.85 × 5,778.95
  4. Step 4: Simplify right side
    14,101.19x = 122,194,910.74
  5. Step 5: Solve for x
    x = 122,194,910.74/14,101.19
  6. Step 6: Final answer
    x = 8,665.58

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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.