Home / 16,143.88-22,299.22-12,343.98

Finding the Fourth Proportional to 16,143.88, 22,299.22 and 12,343.98

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Solution

The fourth proportional to 16,143.88, 22,299.22 and 12,343.98 is: 17,050.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.88 : 22,299.22 = 12,343.98 : x
  2. Step 2: Convert to fraction form
    16,143.88/22,299.22 = 12,343.98/x
  3. Step 3: Cross multiply
    16,143.88x = 22,299.22 × 12,343.98
  4. Step 4: Simplify right side
    16,143.88x = 275,261,125.70
  5. Step 5: Solve for x
    x = 275,261,125.70/16,143.88
  6. Step 6: Final answer
    x = 17,050.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.