Home / 16,972.78-25,481.40-14,895.10

Finding the Fourth Proportional to 16,972.78, 25,481.40 and 14,895.10

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Solution

The fourth proportional to 16,972.78, 25,481.40 and 14,895.10 is: 22,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.78 : 25,481.40 = 14,895.10 : x
  2. Step 2: Convert to fraction form
    16,972.78/25,481.40 = 14,895.10/x
  3. Step 3: Cross multiply
    16,972.78x = 25,481.40 × 14,895.10
  4. Step 4: Simplify right side
    16,972.78x = 379,548,001.14
  5. Step 5: Solve for x
    x = 379,548,001.14/16,972.78
  6. Step 6: Final answer
    x = 22,362.16

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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.