Home / 22,635.14-31,233.31-13,558.37

Finding the Fourth Proportional to 22,635.14, 31,233.31 and 13,558.37

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Solution

The fourth proportional to 22,635.14, 31,233.31 and 13,558.37 is: 18,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,635.14 : 31,233.31 = 13,558.37 : x
  2. Step 2: Convert to fraction form
    22,635.14/31,233.31 = 13,558.37/x
  3. Step 3: Cross multiply
    22,635.14x = 31,233.31 × 13,558.37
  4. Step 4: Simplify right side
    22,635.14x = 423,472,817.49
  5. Step 5: Solve for x
    x = 423,472,817.49/22,635.14
  6. Step 6: Final answer
    x = 18,708.64

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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.