Home / 20,701.61-31,052.93-7,553.98

Finding the Fourth Proportional to 20,701.61, 31,052.93 and 7,553.98

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Solution

The fourth proportional to 20,701.61, 31,052.93 and 7,553.98 is: 11,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.61 : 31,052.93 = 7,553.98 : x
  2. Step 2: Convert to fraction form
    20,701.61/31,052.93 = 7,553.98/x
  3. Step 3: Cross multiply
    20,701.61x = 31,052.93 × 7,553.98
  4. Step 4: Simplify right side
    20,701.61x = 234,573,067.65
  5. Step 5: Solve for x
    x = 234,573,067.65/20,701.61
  6. Step 6: Final answer
    x = 11,331.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.