Home / 20,841.15-31,262.28-6,802.03

Finding the Fourth Proportional to 20,841.15, 31,262.28 and 6,802.03

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Solution

The fourth proportional to 20,841.15, 31,262.28 and 6,802.03 is: 10,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.15 : 31,262.28 = 6,802.03 : x
  2. Step 2: Convert to fraction form
    20,841.15/31,262.28 = 6,802.03/x
  3. Step 3: Cross multiply
    20,841.15x = 31,262.28 × 6,802.03
  4. Step 4: Simplify right side
    20,841.15x = 212,646,823.28
  5. Step 5: Solve for x
    x = 212,646,823.28/20,841.15
  6. Step 6: Final answer
    x = 10,203.22

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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.