Home / 27,170.61-40,756.06-12,369.18

Finding the Fourth Proportional to 27,170.61, 40,756.06 and 12,369.18

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Solution

The fourth proportional to 27,170.61, 40,756.06 and 12,369.18 is: 18,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.61 : 40,756.06 = 12,369.18 : x
  2. Step 2: Convert to fraction form
    27,170.61/40,756.06 = 12,369.18/x
  3. Step 3: Cross multiply
    27,170.61x = 40,756.06 × 12,369.18
  4. Step 4: Simplify right side
    27,170.61x = 504,119,042.23
  5. Step 5: Solve for x
    x = 504,119,042.23/27,170.61
  6. Step 6: Final answer
    x = 18,553.84

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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.