Home / 27,623.57-38,136.25-18,208.53

Finding the Fourth Proportional to 27,623.57, 38,136.25 and 18,208.53

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Solution

The fourth proportional to 27,623.57, 38,136.25 and 18,208.53 is: 25,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.57 : 38,136.25 = 18,208.53 : x
  2. Step 2: Convert to fraction form
    27,623.57/38,136.25 = 18,208.53/x
  3. Step 3: Cross multiply
    27,623.57x = 38,136.25 × 18,208.53
  4. Step 4: Simplify right side
    27,623.57x = 694,405,074.97
  5. Step 5: Solve for x
    x = 694,405,074.97/27,623.57
  6. Step 6: Final answer
    x = 25,138.14

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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.