Home / 15,902.38-23,851.95-4,216.78

Finding the Fourth Proportional to 15,902.38, 23,851.95 and 4,216.78

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Solution

The fourth proportional to 15,902.38, 23,851.95 and 4,216.78 is: 6,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.38 : 23,851.95 = 4,216.78 : x
  2. Step 2: Convert to fraction form
    15,902.38/23,851.95 = 4,216.78/x
  3. Step 3: Cross multiply
    15,902.38x = 23,851.95 × 4,216.78
  4. Step 4: Simplify right side
    15,902.38x = 100,578,425.72
  5. Step 5: Solve for x
    x = 100,578,425.72/15,902.38
  6. Step 6: Final answer
    x = 6,324.74

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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.