Home / 17,269.20-23,835.72-11,315.28

Finding the Fourth Proportional to 17,269.20, 23,835.72 and 11,315.28

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Solution

The fourth proportional to 17,269.20, 23,835.72 and 11,315.28 is: 15,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,269.20 : 23,835.72 = 11,315.28 : x
  2. Step 2: Convert to fraction form
    17,269.20/23,835.72 = 11,315.28/x
  3. Step 3: Cross multiply
    17,269.20x = 23,835.72 × 11,315.28
  4. Step 4: Simplify right side
    17,269.20x = 269,707,845.80
  5. Step 5: Solve for x
    x = 269,707,845.80/17,269.20
  6. Step 6: Final answer
    x = 15,617.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.