Home / 22,215.92-30,657.93-13,268.66

Finding the Fourth Proportional to 22,215.92, 30,657.93 and 13,268.66

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Solution

The fourth proportional to 22,215.92, 30,657.93 and 13,268.66 is: 18,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215.92 : 30,657.93 = 13,268.66 : x
  2. Step 2: Convert to fraction form
    22,215.92/30,657.93 = 13,268.66/x
  3. Step 3: Cross multiply
    22,215.92x = 30,657.93 × 13,268.66
  4. Step 4: Simplify right side
    22,215.92x = 406,789,496.18
  5. Step 5: Solve for x
    x = 406,789,496.18/22,215.92
  6. Step 6: Final answer
    x = 18,310.72

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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.