Home / 15,850.83-21,872.66-9,476.15

Finding the Fourth Proportional to 15,850.83, 21,872.66 and 9,476.15

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Solution

The fourth proportional to 15,850.83, 21,872.66 and 9,476.15 is: 13,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.83 : 21,872.66 = 9,476.15 : x
  2. Step 2: Convert to fraction form
    15,850.83/21,872.66 = 9,476.15/x
  3. Step 3: Cross multiply
    15,850.83x = 21,872.66 × 9,476.15
  4. Step 4: Simplify right side
    15,850.83x = 207,268,450.31
  5. Step 5: Solve for x
    x = 207,268,450.31/15,850.83
  6. Step 6: Final answer
    x = 13,076.19

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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.