Home / 18,311.48-27,471.37-6,624.71

Finding the Fourth Proportional to 18,311.48, 27,471.37 and 6,624.71

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Solution

The fourth proportional to 18,311.48, 27,471.37 and 6,624.71 is: 9,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.48 : 27,471.37 = 6,624.71 : x
  2. Step 2: Convert to fraction form
    18,311.48/27,471.37 = 6,624.71/x
  3. Step 3: Cross multiply
    18,311.48x = 27,471.37 × 6,624.71
  4. Step 4: Simplify right side
    18,311.48x = 181,989,859.55
  5. Step 5: Solve for x
    x = 181,989,859.55/18,311.48
  6. Step 6: Final answer
    x = 9,938.57

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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.