Home / 16,872.24-23,284.13-9,318.68

Finding the Fourth Proportional to 16,872.24, 23,284.13 and 9,318.68

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Solution

The fourth proportional to 16,872.24, 23,284.13 and 9,318.68 is: 12,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.24 : 23,284.13 = 9,318.68 : x
  2. Step 2: Convert to fraction form
    16,872.24/23,284.13 = 9,318.68/x
  3. Step 3: Cross multiply
    16,872.24x = 23,284.13 × 9,318.68
  4. Step 4: Simplify right side
    16,872.24x = 216,977,193.53
  5. Step 5: Solve for x
    x = 216,977,193.53/16,872.24
  6. Step 6: Final answer
    x = 12,860.01

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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.