Home / 16,825.20-25,237.80-6,961.20

Finding the Fourth Proportional to 16,825.20, 25,237.80 and 6,961.20

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Solution

The fourth proportional to 16,825.20, 25,237.80 and 6,961.20 is: 10,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.20 : 25,237.80 = 6,961.20 : x
  2. Step 2: Convert to fraction form
    16,825.20/25,237.80 = 6,961.20/x
  3. Step 3: Cross multiply
    16,825.20x = 25,237.80 × 6,961.20
  4. Step 4: Simplify right side
    16,825.20x = 175,685,373.36
  5. Step 5: Solve for x
    x = 175,685,373.36/16,825.20
  6. Step 6: Final answer
    x = 10,441.80

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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.