Home / 15,867.44-21,895.26-8,792.06

Finding the Fourth Proportional to 15,867.44, 21,895.26 and 8,792.06

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Solution

The fourth proportional to 15,867.44, 21,895.26 and 8,792.06 is: 12,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,867.44 : 21,895.26 = 8,792.06 : x
  2. Step 2: Convert to fraction form
    15,867.44/21,895.26 = 8,792.06/x
  3. Step 3: Cross multiply
    15,867.44x = 21,895.26 × 8,792.06
  4. Step 4: Simplify right side
    15,867.44x = 192,504,439.64
  5. Step 5: Solve for x
    x = 192,504,439.64/15,867.44
  6. Step 6: Final answer
    x = 12,132.04

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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.