Home / 18,331.22-25,297.23-10,777.70

Finding the Fourth Proportional to 18,331.22, 25,297.23 and 10,777.70

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Solution

The fourth proportional to 18,331.22, 25,297.23 and 10,777.70 is: 14,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.22 : 25,297.23 = 10,777.70 : x
  2. Step 2: Convert to fraction form
    18,331.22/25,297.23 = 10,777.70/x
  3. Step 3: Cross multiply
    18,331.22x = 25,297.23 × 10,777.70
  4. Step 4: Simplify right side
    18,331.22x = 272,645,829.28
  5. Step 5: Solve for x
    x = 272,645,829.28/18,331.22
  6. Step 6: Final answer
    x = 14,873.31

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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.