Home / 15,954.24-22,016.96-8,880.96

Finding the Fourth Proportional to 15,954.24, 22,016.96 and 8,880.96

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Solution

The fourth proportional to 15,954.24, 22,016.96 and 8,880.96 is: 12,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.24 : 22,016.96 = 8,880.96 : x
  2. Step 2: Convert to fraction form
    15,954.24/22,016.96 = 8,880.96/x
  3. Step 3: Cross multiply
    15,954.24x = 22,016.96 × 8,880.96
  4. Step 4: Simplify right side
    15,954.24x = 195,531,741.08
  5. Step 5: Solve for x
    x = 195,531,741.08/15,954.24
  6. Step 6: Final answer
    x = 12,255.79

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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.