Home / 33,330.08-45,998.35-18,994.30

Finding the Fourth Proportional to 33,330.08, 45,998.35 and 18,994.30

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Solution

The fourth proportional to 33,330.08, 45,998.35 and 18,994.30 is: 26,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,330.08 : 45,998.35 = 18,994.30 : x
  2. Step 2: Convert to fraction form
    33,330.08/45,998.35 = 18,994.30/x
  3. Step 3: Cross multiply
    33,330.08x = 45,998.35 × 18,994.30
  4. Step 4: Simplify right side
    33,330.08x = 873,706,296.92
  5. Step 5: Solve for x
    x = 873,706,296.92/33,330.08
  6. Step 6: Final answer
    x = 26,213.75

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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.