Home / 22,211.48-33,329.74-8,169.68

Finding the Fourth Proportional to 22,211.48, 33,329.74 and 8,169.68

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Solution

The fourth proportional to 22,211.48, 33,329.74 and 8,169.68 is: 12,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.48 : 33,329.74 = 8,169.68 : x
  2. Step 2: Convert to fraction form
    22,211.48/33,329.74 = 8,169.68/x
  3. Step 3: Cross multiply
    22,211.48x = 33,329.74 × 8,169.68
  4. Step 4: Simplify right side
    22,211.48x = 272,293,310.28
  5. Step 5: Solve for x
    x = 272,293,310.28/22,211.48
  6. Step 6: Final answer
    x = 12,259.13

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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.