Home / 21,446.38-29,597.68-13,796.49

Finding the Fourth Proportional to 21,446.38, 29,597.68 and 13,796.49

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Solution

The fourth proportional to 21,446.38, 29,597.68 and 13,796.49 is: 19,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.38 : 29,597.68 = 13,796.49 : x
  2. Step 2: Convert to fraction form
    21,446.38/29,597.68 = 13,796.49/x
  3. Step 3: Cross multiply
    21,446.38x = 29,597.68 × 13,796.49
  4. Step 4: Simplify right side
    21,446.38x = 408,343,950.66
  5. Step 5: Solve for x
    x = 408,343,950.66/21,446.38
  6. Step 6: Final answer
    x = 19,040.23

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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.