Home / 16,726.93-23,083.48-9,172.81

Finding the Fourth Proportional to 16,726.93, 23,083.48 and 9,172.81

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Solution

The fourth proportional to 16,726.93, 23,083.48 and 9,172.81 is: 12,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,726.93 : 23,083.48 = 9,172.81 : x
  2. Step 2: Convert to fraction form
    16,726.93/23,083.48 = 9,172.81/x
  3. Step 3: Cross multiply
    16,726.93x = 23,083.48 × 9,172.81
  4. Step 4: Simplify right side
    16,726.93x = 211,740,319.12
  5. Step 5: Solve for x
    x = 211,740,319.12/16,726.93
  6. Step 6: Final answer
    x = 12,658.65

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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.