Home / 33,321.98-45,984.23-18,214.65

Finding the Fourth Proportional to 33,321.98, 45,984.23 and 18,214.65

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Solution

The fourth proportional to 33,321.98, 45,984.23 and 18,214.65 is: 25,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,321.98 : 45,984.23 = 18,214.65 : x
  2. Step 2: Convert to fraction form
    33,321.98/45,984.23 = 18,214.65/x
  3. Step 3: Cross multiply
    33,321.98x = 45,984.23 × 18,214.65
  4. Step 4: Simplify right side
    33,321.98x = 837,586,554.10
  5. Step 5: Solve for x
    x = 837,586,554.10/33,321.98
  6. Step 6: Final answer
    x = 25,136.16

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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.