Home / 18,327.56-27,455.96-10,937.92

Finding the Fourth Proportional to 18,327.56, 27,455.96 and 10,937.92

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Solution

The fourth proportional to 18,327.56, 27,455.96 and 10,937.92 is: 16,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.56 : 27,455.96 = 10,937.92 : x
  2. Step 2: Convert to fraction form
    18,327.56/27,455.96 = 10,937.92/x
  3. Step 3: Cross multiply
    18,327.56x = 27,455.96 × 10,937.92
  4. Step 4: Simplify right side
    18,327.56x = 300,311,094.00
  5. Step 5: Solve for x
    x = 300,311,094.00/18,327.56
  6. Step 6: Final answer
    x = 16,385.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.