Home / 16,945.50-25,417.80-4,465.20

Finding the Fourth Proportional to 16,945.50, 25,417.80 and 4,465.20

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Solution

The fourth proportional to 16,945.50, 25,417.80 and 4,465.20 is: 6,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.50 : 25,417.80 = 4,465.20 : x
  2. Step 2: Convert to fraction form
    16,945.50/25,417.80 = 4,465.20/x
  3. Step 3: Cross multiply
    16,945.50x = 25,417.80 × 4,465.20
  4. Step 4: Simplify right side
    16,945.50x = 113,495,560.56
  5. Step 5: Solve for x
    x = 113,495,560.56/16,945.50
  6. Step 6: Final answer
    x = 6,697.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.