Home / 16,114.62-22,220.18-10,138.98

Finding the Fourth Proportional to 16,114.62, 22,220.18 and 10,138.98

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Solution

The fourth proportional to 16,114.62, 22,220.18 and 10,138.98 is: 13,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,114.62 : 22,220.18 = 10,138.98 : x
  2. Step 2: Convert to fraction form
    16,114.62/22,220.18 = 10,138.98/x
  3. Step 3: Cross multiply
    16,114.62x = 22,220.18 × 10,138.98
  4. Step 4: Simplify right side
    16,114.62x = 225,289,960.62
  5. Step 5: Solve for x
    x = 225,289,960.62/16,114.62
  6. Step 6: Final answer
    x = 13,980.47

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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.