Home / 16,115.04-22,230.36-10,135.44

Finding the Fourth Proportional to 16,115.04, 22,230.36 and 10,135.44

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Solution

The fourth proportional to 16,115.04, 22,230.36 and 10,135.44 is: 13,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.04 : 22,230.36 = 10,135.44 : x
  2. Step 2: Convert to fraction form
    16,115.04/22,230.36 = 10,135.44/x
  3. Step 3: Cross multiply
    16,115.04x = 22,230.36 × 10,135.44
  4. Step 4: Simplify right side
    16,115.04x = 225,314,479.96
  5. Step 5: Solve for x
    x = 225,314,479.96/16,115.04
  6. Step 6: Final answer
    x = 13,981.63

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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.