Home / 16,884.10-25,419.65-14,921

Finding the Fourth Proportional to 16,884.10, 25,419.65 and 14,921

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Solution

The fourth proportional to 16,884.10, 25,419.65 and 14,921 is: 22,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,884.10 : 25,419.65 = 14,921 : x
  2. Step 2: Convert to fraction form
    16,884.10/25,419.65 = 14,921/x
  3. Step 3: Cross multiply
    16,884.10x = 25,419.65 × 14,921
  4. Step 4: Simplify right side
    16,884.10x = 379,286,523.05
  5. Step 5: Solve for x
    x = 379,286,523.05/16,884.10
  6. Step 6: Final answer
    x = 22,464.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.