Home / 20,967.16-31,456.14-6,175.48

Finding the Fourth Proportional to 20,967.16, 31,456.14 and 6,175.48

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Solution

The fourth proportional to 20,967.16, 31,456.14 and 6,175.48 is: 9,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967.16 : 31,456.14 = 6,175.48 : x
  2. Step 2: Convert to fraction form
    20,967.16/31,456.14 = 6,175.48/x
  3. Step 3: Cross multiply
    20,967.16x = 31,456.14 × 6,175.48
  4. Step 4: Simplify right side
    20,967.16x = 194,256,763.45
  5. Step 5: Solve for x
    x = 194,256,763.45/20,967.16
  6. Step 6: Final answer
    x = 9,264.81

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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.