Home / 20,837.48-31,257.18-11,596.52

Finding the Fourth Proportional to 20,837.48, 31,257.18 and 11,596.52

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Solution

The fourth proportional to 20,837.48, 31,257.18 and 11,596.52 is: 17,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.48 : 31,257.18 = 11,596.52 : x
  2. Step 2: Convert to fraction form
    20,837.48/31,257.18 = 11,596.52/x
  3. Step 3: Cross multiply
    20,837.48x = 31,257.18 × 11,596.52
  4. Step 4: Simplify right side
    20,837.48x = 362,474,513.01
  5. Step 5: Solve for x
    x = 362,474,513.01/20,837.48
  6. Step 6: Final answer
    x = 17,395.31

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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.