Home / 16,904.82-25,359.96-5,215.32

Finding the Fourth Proportional to 16,904.82, 25,359.96 and 5,215.32

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Solution

The fourth proportional to 16,904.82, 25,359.96 and 5,215.32 is: 7,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.82 : 25,359.96 = 5,215.32 : x
  2. Step 2: Convert to fraction form
    16,904.82/25,359.96 = 5,215.32/x
  3. Step 3: Cross multiply
    16,904.82x = 25,359.96 × 5,215.32
  4. Step 4: Simplify right side
    16,904.82x = 132,260,306.59
  5. Step 5: Solve for x
    x = 132,260,306.59/16,904.82
  6. Step 6: Final answer
    x = 7,823.82

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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.