Home / 18,190.35-25,094.93-10,425.05

Finding the Fourth Proportional to 18,190.35, 25,094.93 and 10,425.05

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Solution

The fourth proportional to 18,190.35, 25,094.93 and 10,425.05 is: 14,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.35 : 25,094.93 = 10,425.05 : x
  2. Step 2: Convert to fraction form
    18,190.35/25,094.93 = 10,425.05/x
  3. Step 3: Cross multiply
    18,190.35x = 25,094.93 × 10,425.05
  4. Step 4: Simplify right side
    18,190.35x = 261,615,910.61
  5. Step 5: Solve for x
    x = 261,615,910.61/18,190.35
  6. Step 6: Final answer
    x = 14,382.13

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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.