Home / 22,867.20-31,558.20-12,796.80

Finding the Fourth Proportional to 22,867.20, 31,558.20 and 12,796.80

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Solution

The fourth proportional to 22,867.20, 31,558.20 and 12,796.80 is: 17,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,867.20 : 31,558.20 = 12,796.80 : x
  2. Step 2: Convert to fraction form
    22,867.20/31,558.20 = 12,796.80/x
  3. Step 3: Cross multiply
    22,867.20x = 31,558.20 × 12,796.80
  4. Step 4: Simplify right side
    22,867.20x = 403,843,973.76
  5. Step 5: Solve for x
    x = 403,843,973.76/22,867.20
  6. Step 6: Final answer
    x = 17,660.40

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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.