Home / 33,019.86-45,570.55-18,869.96

Finding the Fourth Proportional to 33,019.86, 45,570.55 and 18,869.96

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Solution

The fourth proportional to 33,019.86, 45,570.55 and 18,869.96 is: 26,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,019.86 : 45,570.55 = 18,869.96 : x
  2. Step 2: Convert to fraction form
    33,019.86/45,570.55 = 18,869.96/x
  3. Step 3: Cross multiply
    33,019.86x = 45,570.55 × 18,869.96
  4. Step 4: Simplify right side
    33,019.86x = 859,914,455.68
  5. Step 5: Solve for x
    x = 859,914,455.68/33,019.86
  6. Step 6: Final answer
    x = 26,042.34

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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.