Home / 17,207.20-25,815.66-7,216.66

Finding the Fourth Proportional to 17,207.20, 25,815.66 and 7,216.66

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Solution

The fourth proportional to 17,207.20, 25,815.66 and 7,216.66 is: 10,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.20 : 25,815.66 = 7,216.66 : x
  2. Step 2: Convert to fraction form
    17,207.20/25,815.66 = 7,216.66/x
  3. Step 3: Cross multiply
    17,207.20x = 25,815.66 × 7,216.66
  4. Step 4: Simplify right side
    17,207.20x = 186,302,840.90
  5. Step 5: Solve for x
    x = 186,302,840.90/17,207.20
  6. Step 6: Final answer
    x = 10,827.03

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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.