Home / 16,121.73-22,248.38-9,048.68

Finding the Fourth Proportional to 16,121.73, 22,248.38 and 9,048.68

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Solution

The fourth proportional to 16,121.73, 22,248.38 and 9,048.68 is: 12,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.73 : 22,248.38 = 9,048.68 : x
  2. Step 2: Convert to fraction form
    16,121.73/22,248.38 = 9,048.68/x
  3. Step 3: Cross multiply
    16,121.73x = 22,248.38 × 9,048.68
  4. Step 4: Simplify right side
    16,121.73x = 201,318,314.65
  5. Step 5: Solve for x
    x = 201,318,314.65/16,121.73
  6. Step 6: Final answer
    x = 12,487.39

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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.