Home / 27,170.89-40,756.49-12,369.46

Finding the Fourth Proportional to 27,170.89, 40,756.49 and 12,369.46

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Solution

The fourth proportional to 27,170.89, 40,756.49 and 12,369.46 is: 18,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.89 : 40,756.49 = 12,369.46 : x
  2. Step 2: Convert to fraction form
    27,170.89/40,756.49 = 12,369.46/x
  3. Step 3: Cross multiply
    27,170.89x = 40,756.49 × 12,369.46
  4. Step 4: Simplify right side
    27,170.89x = 504,135,569.01
  5. Step 5: Solve for x
    x = 504,135,569.01/27,170.89
  6. Step 6: Final answer
    x = 18,554.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.