Home / 16,821.97-25,235.92-6,955.72

Finding the Fourth Proportional to 16,821.97, 25,235.92 and 6,955.72

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Solution

The fourth proportional to 16,821.97, 25,235.92 and 6,955.72 is: 10,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.97 : 25,235.92 = 6,955.72 : x
  2. Step 2: Convert to fraction form
    16,821.97/25,235.92 = 6,955.72/x
  3. Step 3: Cross multiply
    16,821.97x = 25,235.92 × 6,955.72
  4. Step 4: Simplify right side
    16,821.97x = 175,533,993.46
  5. Step 5: Solve for x
    x = 175,533,993.46/16,821.97
  6. Step 6: Final answer
    x = 10,434.81

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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.