Home / 16,891.20-25,196.40-14,947.20

Finding the Fourth Proportional to 16,891.20, 25,196.40 and 14,947.20

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Solution

The fourth proportional to 16,891.20, 25,196.40 and 14,947.20 is: 22,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.20 : 25,196.40 = 14,947.20 : x
  2. Step 2: Convert to fraction form
    16,891.20/25,196.40 = 14,947.20/x
  3. Step 3: Cross multiply
    16,891.20x = 25,196.40 × 14,947.20
  4. Step 4: Simplify right side
    16,891.20x = 376,615,630.08
  5. Step 5: Solve for x
    x = 376,615,630.08/16,891.20
  6. Step 6: Final answer
    x = 22,296.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.