Home / 22,141.36-30,551.58-13,188.64

Finding the Fourth Proportional to 22,141.36, 30,551.58 and 13,188.64

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Solution

The fourth proportional to 22,141.36, 30,551.58 and 13,188.64 is: 18,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,141.36 : 30,551.58 = 13,188.64 : x
  2. Step 2: Convert to fraction form
    22,141.36/30,551.58 = 13,188.64/x
  3. Step 3: Cross multiply
    22,141.36x = 30,551.58 × 13,188.64
  4. Step 4: Simplify right side
    22,141.36x = 402,933,790.05
  5. Step 5: Solve for x
    x = 402,933,790.05/22,141.36
  6. Step 6: Final answer
    x = 18,198.24

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Double scale
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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.