Home / 27,021.66-40,527.77-12,227.10

Finding the Fourth Proportional to 27,021.66, 40,527.77 and 12,227.10

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Solution

The fourth proportional to 27,021.66, 40,527.77 and 12,227.10 is: 18,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.66 : 40,527.77 = 12,227.10 : x
  2. Step 2: Convert to fraction form
    27,021.66/40,527.77 = 12,227.10/x
  3. Step 3: Cross multiply
    27,021.66x = 40,527.77 × 12,227.10
  4. Step 4: Simplify right side
    27,021.66x = 495,537,035.43
  5. Step 5: Solve for x
    x = 495,537,035.43/27,021.66
  6. Step 6: Final answer
    x = 18,338.51

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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.