Home / 22,867.70-31,558.89-12,797.30

Finding the Fourth Proportional to 22,867.70, 31,558.89 and 12,797.30

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Solution

The fourth proportional to 22,867.70, 31,558.89 and 12,797.30 is: 17,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,867.70 : 31,558.89 = 12,797.30 : x
  2. Step 2: Convert to fraction form
    22,867.70/31,558.89 = 12,797.30/x
  3. Step 3: Cross multiply
    22,867.70x = 31,558.89 × 12,797.30
  4. Step 4: Simplify right side
    22,867.70x = 403,868,583.00
  5. Step 5: Solve for x
    x = 403,868,583.00/22,867.70
  6. Step 6: Final answer
    x = 17,661.09

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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.