Home / 20,754.70-31,163.40-16,582.32

Finding the Fourth Proportional to 20,754.70, 31,163.40 and 16,582.32

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Solution

The fourth proportional to 20,754.70, 31,163.40 and 16,582.32 is: 24,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754.70 : 31,163.40 = 16,582.32 : x
  2. Step 2: Convert to fraction form
    20,754.70/31,163.40 = 16,582.32/x
  3. Step 3: Cross multiply
    20,754.70x = 31,163.40 × 16,582.32
  4. Step 4: Simplify right side
    20,754.70x = 516,761,471.09
  5. Step 5: Solve for x
    x = 516,761,471.09/20,754.70
  6. Step 6: Final answer
    x = 24,898.53

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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.