Home / 18,351.56-25,327.32-10,899.56

Finding the Fourth Proportional to 18,351.56, 25,327.32 and 10,899.56

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Solution

The fourth proportional to 18,351.56, 25,327.32 and 10,899.56 is: 15,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.56 : 25,327.32 = 10,899.56 : x
  2. Step 2: Convert to fraction form
    18,351.56/25,327.32 = 10,899.56/x
  3. Step 3: Cross multiply
    18,351.56x = 25,327.32 × 10,899.56
  4. Step 4: Simplify right side
    18,351.56x = 276,056,666.42
  5. Step 5: Solve for x
    x = 276,056,666.42/18,351.56
  6. Step 6: Final answer
    x = 15,042.68

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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.