Home / 18,269.22-25,186.41-11,551.48

Finding the Fourth Proportional to 18,269.22, 25,186.41 and 11,551.48

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Solution

The fourth proportional to 18,269.22, 25,186.41 and 11,551.48 is: 15,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.22 : 25,186.41 = 11,551.48 : x
  2. Step 2: Convert to fraction form
    18,269.22/25,186.41 = 11,551.48/x
  3. Step 3: Cross multiply
    18,269.22x = 25,186.41 × 11,551.48
  4. Step 4: Simplify right side
    18,269.22x = 290,940,311.39
  5. Step 5: Solve for x
    x = 290,940,311.39/18,269.22
  6. Step 6: Final answer
    x = 15,925.16

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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.