Home / 33,218.96-45,842.16-18,314.96

Finding the Fourth Proportional to 33,218.96, 45,842.16 and 18,314.96

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Solution

The fourth proportional to 33,218.96, 45,842.16 and 18,314.96 is: 25,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.96 : 45,842.16 = 18,314.96 : x
  2. Step 2: Convert to fraction form
    33,218.96/45,842.16 = 18,314.96/x
  3. Step 3: Cross multiply
    33,218.96x = 45,842.16 × 18,314.96
  4. Step 4: Simplify right side
    33,218.96x = 839,597,326.71
  5. Step 5: Solve for x
    x = 839,597,326.71/33,218.96
  6. Step 6: Final answer
    x = 25,274.64

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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.