Home / 22,200.32-30,635.52-12,263.68

Finding the Fourth Proportional to 22,200.32, 30,635.52 and 12,263.68

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Solution

The fourth proportional to 22,200.32, 30,635.52 and 12,263.68 is: 16,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.32 : 30,635.52 = 12,263.68 : x
  2. Step 2: Convert to fraction form
    22,200.32/30,635.52 = 12,263.68/x
  3. Step 3: Cross multiply
    22,200.32x = 30,635.52 × 12,263.68
  4. Step 4: Simplify right side
    22,200.32x = 375,704,213.91
  5. Step 5: Solve for x
    x = 375,704,213.91/22,200.32
  6. Step 6: Final answer
    x = 16,923.37

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Half scale
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Double scale
Find fourth proportional to 22,201.32, 30,636.90 and 12,264.68
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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.