Home / 18,356.66-25,342.68-12,087.26

Finding the Fourth Proportional to 18,356.66, 25,342.68 and 12,087.26

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Solution

The fourth proportional to 18,356.66, 25,342.68 and 12,087.26 is: 16,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.66 : 25,342.68 = 12,087.26 : x
  2. Step 2: Convert to fraction form
    18,356.66/25,342.68 = 12,087.26/x
  3. Step 3: Cross multiply
    18,356.66x = 25,342.68 × 12,087.26
  4. Step 4: Simplify right side
    18,356.66x = 306,323,562.26
  5. Step 5: Solve for x
    x = 306,323,562.26/18,356.66
  6. Step 6: Final answer
    x = 16,687.33

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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.