Home / 16,871.73-23,283.16-9,318.25

Finding the Fourth Proportional to 16,871.73, 23,283.16 and 9,318.25

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Solution

The fourth proportional to 16,871.73, 23,283.16 and 9,318.25 is: 12,859.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.73 : 23,283.16 = 9,318.25 : x
  2. Step 2: Convert to fraction form
    16,871.73/23,283.16 = 9,318.25/x
  3. Step 3: Cross multiply
    16,871.73x = 23,283.16 × 9,318.25
  4. Step 4: Simplify right side
    16,871.73x = 216,958,142.66
  5. Step 5: Solve for x
    x = 216,958,142.66/16,871.73
  6. Step 6: Final answer
    x = 12,859.27

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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.