Home / 22,165.16-33,260.16-11,776.64

Finding the Fourth Proportional to 22,165.16, 33,260.16 and 11,776.64

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Solution

The fourth proportional to 22,165.16, 33,260.16 and 11,776.64 is: 17,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.16 : 33,260.16 = 11,776.64 : x
  2. Step 2: Convert to fraction form
    22,165.16/33,260.16 = 11,776.64/x
  3. Step 3: Cross multiply
    22,165.16x = 33,260.16 × 11,776.64
  4. Step 4: Simplify right side
    22,165.16x = 391,692,930.66
  5. Step 5: Solve for x
    x = 391,692,930.66/22,165.16
  6. Step 6: Final answer
    x = 17,671.56

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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.