Home / 18,327.76-27,490.08-5,847.28

Finding the Fourth Proportional to 18,327.76, 27,490.08 and 5,847.28

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Solution

The fourth proportional to 18,327.76, 27,490.08 and 5,847.28 is: 8,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.76 : 27,490.08 = 5,847.28 : x
  2. Step 2: Convert to fraction form
    18,327.76/27,490.08 = 5,847.28/x
  3. Step 3: Cross multiply
    18,327.76x = 27,490.08 × 5,847.28
  4. Step 4: Simplify right side
    18,327.76x = 160,742,194.98
  5. Step 5: Solve for x
    x = 160,742,194.98/18,327.76
  6. Step 6: Final answer
    x = 8,770.42

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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.