Home / 21,235.46-29,304.86-11,675.97

Finding the Fourth Proportional to 21,235.46, 29,304.86 and 11,675.97

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Solution

The fourth proportional to 21,235.46, 29,304.86 and 11,675.97 is: 16,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,235.46 : 29,304.86 = 11,675.97 : x
  2. Step 2: Convert to fraction form
    21,235.46/29,304.86 = 11,675.97/x
  3. Step 3: Cross multiply
    21,235.46x = 29,304.86 × 11,675.97
  4. Step 4: Simplify right side
    21,235.46x = 342,162,607.83
  5. Step 5: Solve for x
    x = 342,162,607.83/21,235.46
  6. Step 6: Final answer
    x = 16,112.80

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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.