Home / 16,139.70-24,175.52-7,381.98

Finding the Fourth Proportional to 16,139.70, 24,175.52 and 7,381.98

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Solution

The fourth proportional to 16,139.70, 24,175.52 and 7,381.98 is: 11,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,139.70 : 24,175.52 = 7,381.98 : x
  2. Step 2: Convert to fraction form
    16,139.70/24,175.52 = 7,381.98/x
  3. Step 3: Cross multiply
    16,139.70x = 24,175.52 × 7,381.98
  4. Step 4: Simplify right side
    16,139.70x = 178,463,205.13
  5. Step 5: Solve for x
    x = 178,463,205.13/16,139.70
  6. Step 6: Final answer
    x = 11,057.41

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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.