Home / 16,138.12-22,262.70-9,839.56

Finding the Fourth Proportional to 16,138.12, 22,262.70 and 9,839.56

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Solution

The fourth proportional to 16,138.12, 22,262.70 and 9,839.56 is: 13,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.12 : 22,262.70 = 9,839.56 : x
  2. Step 2: Convert to fraction form
    16,138.12/22,262.70 = 9,839.56/x
  3. Step 3: Cross multiply
    16,138.12x = 22,262.70 × 9,839.56
  4. Step 4: Simplify right side
    16,138.12x = 219,055,172.41
  5. Step 5: Solve for x
    x = 219,055,172.41/16,138.12
  6. Step 6: Final answer
    x = 13,573.77

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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.