Home / 17,156.72-25,716.62-11,214.91

Finding the Fourth Proportional to 17,156.72, 25,716.62 and 11,214.91

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Solution

The fourth proportional to 17,156.72, 25,716.62 and 11,214.91 is: 16,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.72 : 25,716.62 = 11,214.91 : x
  2. Step 2: Convert to fraction form
    17,156.72/25,716.62 = 11,214.91/x
  3. Step 3: Cross multiply
    17,156.72x = 25,716.62 × 11,214.91
  4. Step 4: Simplify right side
    17,156.72x = 288,409,638.99
  5. Step 5: Solve for x
    x = 288,409,638.99/17,156.72
  6. Step 6: Final answer
    x = 16,810.30

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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.