Home / 16,261.75-22,441.35-8,809.75

Finding the Fourth Proportional to 16,261.75, 22,441.35 and 8,809.75

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Solution

The fourth proportional to 16,261.75, 22,441.35 and 8,809.75 is: 12,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.75 : 22,441.35 = 8,809.75 : x
  2. Step 2: Convert to fraction form
    16,261.75/22,441.35 = 8,809.75/x
  3. Step 3: Cross multiply
    16,261.75x = 22,441.35 × 8,809.75
  4. Step 4: Simplify right side
    16,261.75x = 197,702,683.16
  5. Step 5: Solve for x
    x = 197,702,683.16/16,261.75
  6. Step 6: Final answer
    x = 12,157.53

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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.