Home / 33,315.53-45,974.06-18,208.68

Finding the Fourth Proportional to 33,315.53, 45,974.06 and 18,208.68

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Solution

The fourth proportional to 33,315.53, 45,974.06 and 18,208.68 is: 25,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.53 : 45,974.06 = 18,208.68 : x
  2. Step 2: Convert to fraction form
    33,315.53/45,974.06 = 18,208.68/x
  3. Step 3: Cross multiply
    33,315.53x = 45,974.06 × 18,208.68
  4. Step 4: Simplify right side
    33,315.53x = 837,126,855.80
  5. Step 5: Solve for x
    x = 837,126,855.80/33,315.53
  6. Step 6: Final answer
    x = 25,127.23

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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.