Home / 18,934.45-26,131.49-11,383.24

Finding the Fourth Proportional to 18,934.45, 26,131.49 and 11,383.24

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Solution

The fourth proportional to 18,934.45, 26,131.49 and 11,383.24 is: 15,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.45 : 26,131.49 = 11,383.24 : x
  2. Step 2: Convert to fraction form
    18,934.45/26,131.49 = 11,383.24/x
  3. Step 3: Cross multiply
    18,934.45x = 26,131.49 × 11,383.24
  4. Step 4: Simplify right side
    18,934.45x = 297,460,965.31
  5. Step 5: Solve for x
    x = 297,460,965.31/18,934.45
  6. Step 6: Final answer
    x = 15,710.04

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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.