Home / 16,972.78-25,453.40-5,876.87

Finding the Fourth Proportional to 16,972.78, 25,453.40 and 5,876.87

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Solution

The fourth proportional to 16,972.78, 25,453.40 and 5,876.87 is: 8,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.78 : 25,453.40 = 5,876.87 : x
  2. Step 2: Convert to fraction form
    16,972.78/25,453.40 = 5,876.87/x
  3. Step 3: Cross multiply
    16,972.78x = 25,453.40 × 5,876.87
  4. Step 4: Simplify right side
    16,972.78x = 149,586,283.70
  5. Step 5: Solve for x
    x = 149,586,283.70/16,972.78
  6. Step 6: Final answer
    x = 8,813.31

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1.5x scale

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.