Home / 18,257.71-25,194.10-10,190.64

Finding the Fourth Proportional to 18,257.71, 25,194.10 and 10,190.64

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Solution

The fourth proportional to 18,257.71, 25,194.10 and 10,190.64 is: 14,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.71 : 25,194.10 = 10,190.64 : x
  2. Step 2: Convert to fraction form
    18,257.71/25,194.10 = 10,190.64/x
  3. Step 3: Cross multiply
    18,257.71x = 25,194.10 × 10,190.64
  4. Step 4: Simplify right side
    18,257.71x = 256,744,003.22
  5. Step 5: Solve for x
    x = 256,744,003.22/18,257.71
  6. Step 6: Final answer
    x = 14,062.22

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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.