Home / 18,385.56-25,371.96-10,933.56

Finding the Fourth Proportional to 18,385.56, 25,371.96 and 10,933.56

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Solution

The fourth proportional to 18,385.56, 25,371.96 and 10,933.56 is: 15,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.56 : 25,371.96 = 10,933.56 : x
  2. Step 2: Convert to fraction form
    18,385.56/25,371.96 = 10,933.56/x
  3. Step 3: Cross multiply
    18,385.56x = 25,371.96 × 10,933.56
  4. Step 4: Simplify right side
    18,385.56x = 277,405,846.98
  5. Step 5: Solve for x
    x = 277,405,846.98/18,385.56
  6. Step 6: Final answer
    x = 15,088.25

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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.