Home / 16,243.92-22,428.36-10,671.12

Finding the Fourth Proportional to 16,243.92, 22,428.36 and 10,671.12

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Solution

The fourth proportional to 16,243.92, 22,428.36 and 10,671.12 is: 14,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,243.92 : 22,428.36 = 10,671.12 : x
  2. Step 2: Convert to fraction form
    16,243.92/22,428.36 = 10,671.12/x
  3. Step 3: Cross multiply
    16,243.92x = 22,428.36 × 10,671.12
  4. Step 4: Simplify right side
    16,243.92x = 239,335,720.96
  5. Step 5: Solve for x
    x = 239,335,720.96/16,243.92
  6. Step 6: Final answer
    x = 14,733.86

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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.