Home / 33,083.64-45,646.20-18,935.64

Finding the Fourth Proportional to 33,083.64, 45,646.20 and 18,935.64

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Solution

The fourth proportional to 33,083.64, 45,646.20 and 18,935.64 is: 26,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,083.64 : 45,646.20 = 18,935.64 : x
  2. Step 2: Convert to fraction form
    33,083.64/45,646.20 = 18,935.64/x
  3. Step 3: Cross multiply
    33,083.64x = 45,646.20 × 18,935.64
  4. Step 4: Simplify right side
    33,083.64x = 864,340,010.57
  5. Step 5: Solve for x
    x = 864,340,010.57/33,083.64
  6. Step 6: Final answer
    x = 26,125.90

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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.