Home / 16,837.78-23,236.31-9,284.38

Finding the Fourth Proportional to 16,837.78, 23,236.31 and 9,284.38

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Solution

The fourth proportional to 16,837.78, 23,236.31 and 9,284.38 is: 12,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,837.78 : 23,236.31 = 9,284.38 : x
  2. Step 2: Convert to fraction form
    16,837.78/23,236.31 = 9,284.38/x
  3. Step 3: Cross multiply
    16,837.78x = 23,236.31 × 9,284.38
  4. Step 4: Simplify right side
    16,837.78x = 215,734,731.84
  5. Step 5: Solve for x
    x = 215,734,731.84/16,837.78
  6. Step 6: Final answer
    x = 12,812.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.