Home / 22,178.10-33,276.60-11,656.20

Finding the Fourth Proportional to 22,178.10, 33,276.60 and 11,656.20

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Solution

The fourth proportional to 22,178.10, 33,276.60 and 11,656.20 is: 17,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.10 : 33,276.60 = 11,656.20 : x
  2. Step 2: Convert to fraction form
    22,178.10/33,276.60 = 11,656.20/x
  3. Step 3: Cross multiply
    22,178.10x = 33,276.60 × 11,656.20
  4. Step 4: Simplify right side
    22,178.10x = 387,878,704.92
  5. Step 5: Solve for x
    x = 387,878,704.92/22,178.10
  6. Step 6: Final answer
    x = 17,489.27

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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.