Home / 20,887.07-31,324.32-6,092.01

Finding the Fourth Proportional to 20,887.07, 31,324.32 and 6,092.01

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Solution

The fourth proportional to 20,887.07, 31,324.32 and 6,092.01 is: 9,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,887.07 : 31,324.32 = 6,092.01 : x
  2. Step 2: Convert to fraction form
    20,887.07/31,324.32 = 6,092.01/x
  3. Step 3: Cross multiply
    20,887.07x = 31,324.32 × 6,092.01
  4. Step 4: Simplify right side
    20,887.07x = 190,828,070.68
  5. Step 5: Solve for x
    x = 190,828,070.68/20,887.07
  6. Step 6: Final answer
    x = 9,136.18

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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.