Home / 35,172.74-52,753.40-12,996.56

Finding the Fourth Proportional to 35,172.74, 52,753.40 and 12,996.56

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Solution

The fourth proportional to 35,172.74, 52,753.40 and 12,996.56 is: 19,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,172.74 : 52,753.40 = 12,996.56 : x
  2. Step 2: Convert to fraction form
    35,172.74/52,753.40 = 12,996.56/x
  3. Step 3: Cross multiply
    35,172.74x = 52,753.40 × 12,996.56
  4. Step 4: Simplify right side
    35,172.74x = 685,612,497.03
  5. Step 5: Solve for x
    x = 685,612,497.03/35,172.74
  6. Step 6: Final answer
    x = 19,492.73

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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.