Home / 33,320.93-45,984.11-18,214.59

Finding the Fourth Proportional to 33,320.93, 45,984.11 and 18,214.59

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Solution

The fourth proportional to 33,320.93, 45,984.11 and 18,214.59 is: 25,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.93 : 45,984.11 = 18,214.59 : x
  2. Step 2: Convert to fraction form
    33,320.93/45,984.11 = 18,214.59/x
  3. Step 3: Cross multiply
    33,320.93x = 45,984.11 × 18,214.59
  4. Step 4: Simplify right side
    33,320.93x = 837,581,791.53
  5. Step 5: Solve for x
    x = 837,581,791.53/33,320.93
  6. Step 6: Final answer
    x = 25,136.81

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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.