Home / 16,225.44-22,390.18-9,151.44

Finding the Fourth Proportional to 16,225.44, 22,390.18 and 9,151.44

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Solution

The fourth proportional to 16,225.44, 22,390.18 and 9,151.44 is: 12,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,225.44 : 22,390.18 = 9,151.44 : x
  2. Step 2: Convert to fraction form
    16,225.44/22,390.18 = 9,151.44/x
  3. Step 3: Cross multiply
    16,225.44x = 22,390.18 × 9,151.44
  4. Step 4: Simplify right side
    16,225.44x = 204,902,388.86
  5. Step 5: Solve for x
    x = 204,902,388.86/16,225.44
  6. Step 6: Final answer
    x = 12,628.46

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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.