Home / 16,946.20-23,388.66-9,872.56

Finding the Fourth Proportional to 16,946.20, 23,388.66 and 9,872.56

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Solution

The fourth proportional to 16,946.20, 23,388.66 and 9,872.56 is: 13,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,946.20 : 23,388.66 = 9,872.56 : x
  2. Step 2: Convert to fraction form
    16,946.20/23,388.66 = 9,872.56/x
  3. Step 3: Cross multiply
    16,946.20x = 23,388.66 × 9,872.56
  4. Step 4: Simplify right side
    16,946.20x = 230,905,949.17
  5. Step 5: Solve for x
    x = 230,905,949.17/16,946.20
  6. Step 6: Final answer
    x = 13,625.82

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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.