Home / 16,707.77-23,040.82-9,992.33

Finding the Fourth Proportional to 16,707.77, 23,040.82 and 9,992.33

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Solution

The fourth proportional to 16,707.77, 23,040.82 and 9,992.33 is: 13,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,707.77 : 23,040.82 = 9,992.33 : x
  2. Step 2: Convert to fraction form
    16,707.77/23,040.82 = 9,992.33/x
  3. Step 3: Cross multiply
    16,707.77x = 23,040.82 × 9,992.33
  4. Step 4: Simplify right side
    16,707.77x = 230,231,476.91
  5. Step 5: Solve for x
    x = 230,231,476.91/16,707.77
  6. Step 6: Final answer
    x = 13,779.90

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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.