Home / 17,005.99-23,490.57-11,691.58

Finding the Fourth Proportional to 17,005.99, 23,490.57 and 11,691.58

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Solution

The fourth proportional to 17,005.99, 23,490.57 and 11,691.58 is: 16,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.99 : 23,490.57 = 11,691.58 : x
  2. Step 2: Convert to fraction form
    17,005.99/23,490.57 = 11,691.58/x
  3. Step 3: Cross multiply
    17,005.99x = 23,490.57 × 11,691.58
  4. Step 4: Simplify right side
    17,005.99x = 274,641,878.40
  5. Step 5: Solve for x
    x = 274,641,878.40/17,005.99
  6. Step 6: Final answer
    x = 16,149.71

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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.