Home / 16,947.87-25,374.85-12,775.23

Finding the Fourth Proportional to 16,947.87, 25,374.85 and 12,775.23

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Solution

The fourth proportional to 16,947.87, 25,374.85 and 12,775.23 is: 19,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.87 : 25,374.85 = 12,775.23 : x
  2. Step 2: Convert to fraction form
    16,947.87/25,374.85 = 12,775.23/x
  3. Step 3: Cross multiply
    16,947.87x = 25,374.85 × 12,775.23
  4. Step 4: Simplify right side
    16,947.87x = 324,169,544.97
  5. Step 5: Solve for x
    x = 324,169,544.97/16,947.87
  6. Step 6: Final answer
    x = 19,127.45

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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.