Home / 22,709.20-31,338.69-12,773.20

Finding the Fourth Proportional to 22,709.20, 31,338.69 and 12,773.20

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Solution

The fourth proportional to 22,709.20, 31,338.69 and 12,773.20 is: 17,627.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,709.20 : 31,338.69 = 12,773.20 : x
  2. Step 2: Convert to fraction form
    22,709.20/31,338.69 = 12,773.20/x
  3. Step 3: Cross multiply
    22,709.20x = 31,338.69 × 12,773.20
  4. Step 4: Simplify right side
    22,709.20x = 400,295,355.11
  5. Step 5: Solve for x
    x = 400,295,355.11/22,709.20
  6. Step 6: Final answer
    x = 17,627.01

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Half 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.