Home / 33,113.13-45,696.12-18,209.13

Finding the Fourth Proportional to 33,113.13, 45,696.12 and 18,209.13

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Solution

The fourth proportional to 33,113.13, 45,696.12 and 18,209.13 is: 25,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,113.13 : 45,696.12 = 18,209.13 : x
  2. Step 2: Convert to fraction form
    33,113.13/45,696.12 = 18,209.13/x
  3. Step 3: Cross multiply
    33,113.13x = 45,696.12 × 18,209.13
  4. Step 4: Simplify right side
    33,113.13x = 832,086,270.05
  5. Step 5: Solve for x
    x = 832,086,270.05/33,113.13
  6. Step 6: Final answer
    x = 25,128.59

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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.