Home / 20,758.14-31,137.21-16,624.44

Finding the Fourth Proportional to 20,758.14, 31,137.21 and 16,624.44

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Solution

The fourth proportional to 20,758.14, 31,137.21 and 16,624.44 is: 24,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,758.14 : 31,137.21 = 16,624.44 : x
  2. Step 2: Convert to fraction form
    20,758.14/31,137.21 = 16,624.44/x
  3. Step 3: Cross multiply
    20,758.14x = 31,137.21 × 16,624.44
  4. Step 4: Simplify right side
    20,758.14x = 517,638,679.41
  5. Step 5: Solve for x
    x = 517,638,679.41/20,758.14
  6. Step 6: Final answer
    x = 24,936.66

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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.