Home / 18,435.32-27,644.34-6,740.36

Finding the Fourth Proportional to 18,435.32, 27,644.34 and 6,740.36

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Solution

The fourth proportional to 18,435.32, 27,644.34 and 6,740.36 is: 10,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.32 : 27,644.34 = 6,740.36 : x
  2. Step 2: Convert to fraction form
    18,435.32/27,644.34 = 6,740.36/x
  3. Step 3: Cross multiply
    18,435.32x = 27,644.34 × 6,740.36
  4. Step 4: Simplify right side
    18,435.32x = 186,332,803.56
  5. Step 5: Solve for x
    x = 186,332,803.56/18,435.32
  6. Step 6: Final answer
    x = 10,107.38

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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.