Home / 27,161.35-40,718.46-10,509.92

Finding the Fourth Proportional to 27,161.35, 40,718.46 and 10,509.92

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Solution

The fourth proportional to 27,161.35, 40,718.46 and 10,509.92 is: 15,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161.35 : 40,718.46 = 10,509.92 : x
  2. Step 2: Convert to fraction form
    27,161.35/40,718.46 = 10,509.92/x
  3. Step 3: Cross multiply
    27,161.35x = 40,718.46 × 10,509.92
  4. Step 4: Simplify right side
    27,161.35x = 427,947,745.64
  5. Step 5: Solve for x
    x = 427,947,745.64/27,161.35
  6. Step 6: Final answer
    x = 15,755.76

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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.