Home / 16,887.11-23,299.57-9,716.72

Finding the Fourth Proportional to 16,887.11, 23,299.57 and 9,716.72

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Solution

The fourth proportional to 16,887.11, 23,299.57 and 9,716.72 is: 13,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.11 : 23,299.57 = 9,716.72 : x
  2. Step 2: Convert to fraction form
    16,887.11/23,299.57 = 9,716.72/x
  3. Step 3: Cross multiply
    16,887.11x = 23,299.57 × 9,716.72
  4. Step 4: Simplify right side
    16,887.11x = 226,395,431.77
  5. Step 5: Solve for x
    x = 226,395,431.77/16,887.11
  6. Step 6: Final answer
    x = 13,406.40

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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.