Home / 16,813.47-25,220.26-9,321.63

Finding the Fourth Proportional to 16,813.47, 25,220.26 and 9,321.63

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Solution

The fourth proportional to 16,813.47, 25,220.26 and 9,321.63 is: 13,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.47 : 25,220.26 = 9,321.63 : x
  2. Step 2: Convert to fraction form
    16,813.47/25,220.26 = 9,321.63/x
  3. Step 3: Cross multiply
    16,813.47x = 25,220.26 × 9,321.63
  4. Step 4: Simplify right side
    16,813.47x = 235,093,991.16
  5. Step 5: Solve for x
    x = 235,093,991.16/16,813.47
  6. Step 6: Final answer
    x = 13,982.48

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Double scale
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Similar ratio
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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.