Home / 16,261.35-22,440.55-9,187.76

Finding the Fourth Proportional to 16,261.35, 22,440.55 and 9,187.76

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Solution

The fourth proportional to 16,261.35, 22,440.55 and 9,187.76 is: 12,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.35 : 22,440.55 = 9,187.76 : x
  2. Step 2: Convert to fraction form
    16,261.35/22,440.55 = 9,187.76/x
  3. Step 3: Cross multiply
    16,261.35x = 22,440.55 × 9,187.76
  4. Step 4: Simplify right side
    16,261.35x = 206,178,387.67
  5. Step 5: Solve for x
    x = 206,178,387.67/16,261.35
  6. Step 6: Final answer
    x = 12,679.04

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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.