Home / 16,687.73-23,028.18-9,132.59

Finding the Fourth Proportional to 16,687.73, 23,028.18 and 9,132.59

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Solution

The fourth proportional to 16,687.73, 23,028.18 and 9,132.59 is: 12,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.73 : 23,028.18 = 9,132.59 : x
  2. Step 2: Convert to fraction form
    16,687.73/23,028.18 = 9,132.59/x
  3. Step 3: Cross multiply
    16,687.73x = 23,028.18 × 9,132.59
  4. Step 4: Simplify right side
    16,687.73x = 210,306,811.25
  5. Step 5: Solve for x
    x = 210,306,811.25/16,687.73
  6. Step 6: Final answer
    x = 12,602.49

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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.