Home / 18,186.01-25,097.73-12,125.80

Finding the Fourth Proportional to 18,186.01, 25,097.73 and 12,125.80

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Solution

The fourth proportional to 18,186.01, 25,097.73 and 12,125.80 is: 16,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.01 : 25,097.73 = 12,125.80 : x
  2. Step 2: Convert to fraction form
    18,186.01/25,097.73 = 12,125.80/x
  3. Step 3: Cross multiply
    18,186.01x = 25,097.73 × 12,125.80
  4. Step 4: Simplify right side
    18,186.01x = 304,330,054.43
  5. Step 5: Solve for x
    x = 304,330,054.43/18,186.01
  6. Step 6: Final answer
    x = 16,734.29

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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.