Home / 18,340.45-27,500.34-5,857.54

Finding the Fourth Proportional to 18,340.45, 27,500.34 and 5,857.54

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Solution

The fourth proportional to 18,340.45, 27,500.34 and 5,857.54 is: 8,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.45 : 27,500.34 = 5,857.54 : x
  2. Step 2: Convert to fraction form
    18,340.45/27,500.34 = 5,857.54/x
  3. Step 3: Cross multiply
    18,340.45x = 27,500.34 × 5,857.54
  4. Step 4: Simplify right side
    18,340.45x = 161,084,272.81
  5. Step 5: Solve for x
    x = 161,084,272.81/18,340.45
  6. Step 6: Final answer
    x = 8,783.01

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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.