Home / 27,153.32-40,736.35-8,432.39

Finding the Fourth Proportional to 27,153.32, 40,736.35 and 8,432.39

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Solution

The fourth proportional to 27,153.32, 40,736.35 and 8,432.39 is: 12,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.32 : 40,736.35 = 8,432.39 : x
  2. Step 2: Convert to fraction form
    27,153.32/40,736.35 = 8,432.39/x
  3. Step 3: Cross multiply
    27,153.32x = 40,736.35 × 8,432.39
  4. Step 4: Simplify right side
    27,153.32x = 343,504,790.38
  5. Step 5: Solve for x
    x = 343,504,790.38/27,153.32
  6. Step 6: Final answer
    x = 12,650.56

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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.