Home / 16,113.62-22,218.80-10,137.98

Finding the Fourth Proportional to 16,113.62, 22,218.80 and 10,137.98

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Solution

The fourth proportional to 16,113.62, 22,218.80 and 10,137.98 is: 13,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,113.62 : 22,218.80 = 10,137.98 : x
  2. Step 2: Convert to fraction form
    16,113.62/22,218.80 = 10,137.98/x
  3. Step 3: Cross multiply
    16,113.62x = 22,218.80 × 10,137.98
  4. Step 4: Simplify right side
    16,113.62x = 225,253,750.02
  5. Step 5: Solve for x
    x = 225,253,750.02/16,113.62
  6. Step 6: Final answer
    x = 13,979.09

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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.