Home / 27,150.66-40,700.75-10,521.54

Finding the Fourth Proportional to 27,150.66, 40,700.75 and 10,521.54

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Solution

The fourth proportional to 27,150.66, 40,700.75 and 10,521.54 is: 15,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.66 : 40,700.75 = 10,521.54 : x
  2. Step 2: Convert to fraction form
    27,150.66/40,700.75 = 10,521.54/x
  3. Step 3: Cross multiply
    27,150.66x = 40,700.75 × 10,521.54
  4. Step 4: Simplify right side
    27,150.66x = 428,234,516.55
  5. Step 5: Solve for x
    x = 428,234,516.55/27,150.66
  6. Step 6: Final answer
    x = 15,772.53

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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.