Home / 22,605.15-33,867.06-21,271.31

Finding the Fourth Proportional to 22,605.15, 33,867.06 and 21,271.31

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Solution

The fourth proportional to 22,605.15, 33,867.06 and 21,271.31 is: 31,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.15 : 33,867.06 = 21,271.31 : x
  2. Step 2: Convert to fraction form
    22,605.15/33,867.06 = 21,271.31/x
  3. Step 3: Cross multiply
    22,605.15x = 33,867.06 × 21,271.31
  4. Step 4: Simplify right side
    22,605.15x = 720,396,729.60
  5. Step 5: Solve for x
    x = 720,396,729.60/22,605.15
  6. Step 6: Final answer
    x = 31,868.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.