Home / 16,726.53-23,083.20-9,172.88

Finding the Fourth Proportional to 16,726.53, 23,083.20 and 9,172.88

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Solution

The fourth proportional to 16,726.53, 23,083.20 and 9,172.88 is: 12,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,726.53 : 23,083.20 = 9,172.88 : x
  2. Step 2: Convert to fraction form
    16,726.53/23,083.20 = 9,172.88/x
  3. Step 3: Cross multiply
    16,726.53x = 23,083.20 × 9,172.88
  4. Step 4: Simplify right side
    16,726.53x = 211,739,308.20
  5. Step 5: Solve for x
    x = 211,739,308.20/16,726.53
  6. Step 6: Final answer
    x = 12,658.89

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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.