Home / 22,120.64-33,184.20-8,081.36

Finding the Fourth Proportional to 22,120.64, 33,184.20 and 8,081.36

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Solution

The fourth proportional to 22,120.64, 33,184.20 and 8,081.36 is: 12,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.64 : 33,184.20 = 8,081.36 : x
  2. Step 2: Convert to fraction form
    22,120.64/33,184.20 = 8,081.36/x
  3. Step 3: Cross multiply
    22,120.64x = 33,184.20 × 8,081.36
  4. Step 4: Simplify right side
    22,120.64x = 268,173,466.51
  5. Step 5: Solve for x
    x = 268,173,466.51/22,120.64
  6. Step 6: Final answer
    x = 12,123.22

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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.