Home / 16,872.14-23,283.44-9,318.96

Finding the Fourth Proportional to 16,872.14, 23,283.44 and 9,318.96

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Solution

The fourth proportional to 16,872.14, 23,283.44 and 9,318.96 is: 12,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.14 : 23,283.44 = 9,318.96 : x
  2. Step 2: Convert to fraction form
    16,872.14/23,283.44 = 9,318.96/x
  3. Step 3: Cross multiply
    16,872.14x = 23,283.44 × 9,318.96
  4. Step 4: Simplify right side
    16,872.14x = 216,977,446.02
  5. Step 5: Solve for x
    x = 216,977,446.02/16,872.14
  6. Step 6: Final answer
    x = 12,860.10

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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.