Home / 16,821.66-25,236.48-5,134.14

Finding the Fourth Proportional to 16,821.66, 25,236.48 and 5,134.14

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Solution

The fourth proportional to 16,821.66, 25,236.48 and 5,134.14 is: 7,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.66 : 25,236.48 = 5,134.14 : x
  2. Step 2: Convert to fraction form
    16,821.66/25,236.48 = 5,134.14/x
  3. Step 3: Cross multiply
    16,821.66x = 25,236.48 × 5,134.14
  4. Step 4: Simplify right side
    16,821.66x = 129,567,621.43
  5. Step 5: Solve for x
    x = 129,567,621.43/16,821.66
  6. Step 6: Final answer
    x = 7,702.43

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1.5x scale

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.