Home / 22,635.62-31,268.66-21,528.46

Finding the Fourth Proportional to 22,635.62, 31,268.66 and 21,528.46

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Solution

The fourth proportional to 22,635.62, 31,268.66 and 21,528.46 is: 29,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,635.62 : 31,268.66 = 21,528.46 : x
  2. Step 2: Convert to fraction form
    22,635.62/31,268.66 = 21,528.46/x
  3. Step 3: Cross multiply
    22,635.62x = 31,268.66 × 21,528.46
  4. Step 4: Simplify right side
    22,635.62x = 673,166,096.06
  5. Step 5: Solve for x
    x = 673,166,096.06/22,635.62
  6. Step 6: Final answer
    x = 29,739.24

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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.