Home / 33,205.12-45,823.24-18,301.12

Finding the Fourth Proportional to 33,205.12, 45,823.24 and 18,301.12

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Solution

The fourth proportional to 33,205.12, 45,823.24 and 18,301.12 is: 25,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,205.12 : 45,823.24 = 18,301.12 : x
  2. Step 2: Convert to fraction form
    33,205.12/45,823.24 = 18,301.12/x
  3. Step 3: Cross multiply
    33,205.12x = 45,823.24 × 18,301.12
  4. Step 4: Simplify right side
    33,205.12x = 838,616,614.03
  5. Step 5: Solve for x
    x = 838,616,614.03/33,205.12
  6. Step 6: Final answer
    x = 25,255.64

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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.