Home / 25,471.32-38,157.21-16,679.58

Finding the Fourth Proportional to 25,471.32, 38,157.21 and 16,679.58

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Solution

The fourth proportional to 25,471.32, 38,157.21 and 16,679.58 is: 24,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.32 : 38,157.21 = 16,679.58 : x
  2. Step 2: Convert to fraction form
    25,471.32/38,157.21 = 16,679.58/x
  3. Step 3: Cross multiply
    25,471.32x = 38,157.21 × 16,679.58
  4. Step 4: Simplify right side
    25,471.32x = 636,446,236.77
  5. Step 5: Solve for x
    x = 636,446,236.77/25,471.32
  6. Step 6: Final answer
    x = 24,986.78

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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.