Home / 33,070.64-45,634.32-18,731.12

Finding the Fourth Proportional to 33,070.64, 45,634.32 and 18,731.12

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Solution

The fourth proportional to 33,070.64, 45,634.32 and 18,731.12 is: 25,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,070.64 : 45,634.32 = 18,731.12 : x
  2. Step 2: Convert to fraction form
    33,070.64/45,634.32 = 18,731.12/x
  3. Step 3: Cross multiply
    33,070.64x = 45,634.32 × 18,731.12
  4. Step 4: Simplify right side
    33,070.64x = 854,781,924.04
  5. Step 5: Solve for x
    x = 854,781,924.04/33,070.64
  6. Step 6: Final answer
    x = 25,847.15

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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.