Home / 16,120.76-22,247.22-9,410.68

Finding the Fourth Proportional to 16,120.76, 22,247.22 and 9,410.68

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Solution

The fourth proportional to 16,120.76, 22,247.22 and 9,410.68 is: 12,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.76 : 22,247.22 = 9,410.68 : x
  2. Step 2: Convert to fraction form
    16,120.76/22,247.22 = 9,410.68/x
  3. Step 3: Cross multiply
    16,120.76x = 22,247.22 × 9,410.68
  4. Step 4: Simplify right side
    16,120.76x = 209,361,468.31
  5. Step 5: Solve for x
    x = 209,361,468.31/16,120.76
  6. Step 6: Final answer
    x = 12,987.07

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Half scale
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Double scale
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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.