Home / 27,016.61-40,524.39-12,215.18

Finding the Fourth Proportional to 27,016.61, 40,524.39 and 12,215.18

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Solution

The fourth proportional to 27,016.61, 40,524.39 and 12,215.18 is: 18,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,016.61 : 40,524.39 = 12,215.18 : x
  2. Step 2: Convert to fraction form
    27,016.61/40,524.39 = 12,215.18/x
  3. Step 3: Cross multiply
    27,016.61x = 40,524.39 × 12,215.18
  4. Step 4: Simplify right side
    27,016.61x = 495,012,819.55
  5. Step 5: Solve for x
    x = 495,012,819.55/27,016.61
  6. Step 6: Final answer
    x = 18,322.54

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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.