Home / 33,215.04-45,839.60-18,313.92

Finding the Fourth Proportional to 33,215.04, 45,839.60 and 18,313.92

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Solution

The fourth proportional to 33,215.04, 45,839.60 and 18,313.92 is: 25,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.04 : 45,839.60 = 18,313.92 : x
  2. Step 2: Convert to fraction form
    33,215.04/45,839.60 = 18,313.92/x
  3. Step 3: Cross multiply
    33,215.04x = 45,839.60 × 18,313.92
  4. Step 4: Simplify right side
    33,215.04x = 839,502,767.23
  5. Step 5: Solve for x
    x = 839,502,767.23/33,215.04
  6. Step 6: Final answer
    x = 25,274.78

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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.