Home / 22,548.11-31,128.91-13,597.88

Finding the Fourth Proportional to 22,548.11, 31,128.91 and 13,597.88

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Solution

The fourth proportional to 22,548.11, 31,128.91 and 13,597.88 is: 18,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.11 : 31,128.91 = 13,597.88 : x
  2. Step 2: Convert to fraction form
    22,548.11/31,128.91 = 13,597.88/x
  3. Step 3: Cross multiply
    22,548.11x = 31,128.91 × 13,597.88
  4. Step 4: Simplify right side
    22,548.11x = 423,286,993.07
  5. Step 5: Solve for x
    x = 423,286,993.07/22,548.11
  6. Step 6: Final answer
    x = 18,772.62

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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.