Home / 22,068.45-30,454.65-11,996.91

Finding the Fourth Proportional to 22,068.45, 30,454.65 and 11,996.91

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Solution

The fourth proportional to 22,068.45, 30,454.65 and 11,996.91 is: 16,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.45 : 30,454.65 = 11,996.91 : x
  2. Step 2: Convert to fraction form
    22,068.45/30,454.65 = 11,996.91/x
  3. Step 3: Cross multiply
    22,068.45x = 30,454.65 × 11,996.91
  4. Step 4: Simplify right side
    22,068.45x = 365,361,695.13
  5. Step 5: Solve for x
    x = 365,361,695.13/22,068.45
  6. Step 6: Final answer
    x = 16,555.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.