Home / 18,328.21-27,473.85-7,230.60

Finding the Fourth Proportional to 18,328.21, 27,473.85 and 7,230.60

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Solution

The fourth proportional to 18,328.21, 27,473.85 and 7,230.60 is: 10,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.21 : 27,473.85 = 7,230.60 : x
  2. Step 2: Convert to fraction form
    18,328.21/27,473.85 = 7,230.60/x
  3. Step 3: Cross multiply
    18,328.21x = 27,473.85 × 7,230.60
  4. Step 4: Simplify right side
    18,328.21x = 198,652,419.81
  5. Step 5: Solve for x
    x = 198,652,419.81/18,328.21
  6. Step 6: Final answer
    x = 10,838.62

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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.