Home / 16,706.77-23,039.44-9,991.33

Finding the Fourth Proportional to 16,706.77, 23,039.44 and 9,991.33

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Solution

The fourth proportional to 16,706.77, 23,039.44 and 9,991.33 is: 13,778.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,706.77 : 23,039.44 = 9,991.33 : x
  2. Step 2: Convert to fraction form
    16,706.77/23,039.44 = 9,991.33/x
  3. Step 3: Cross multiply
    16,706.77x = 23,039.44 × 9,991.33
  4. Step 4: Simplify right side
    16,706.77x = 230,194,565.48
  5. Step 5: Solve for x
    x = 230,194,565.48/16,706.77
  6. Step 6: Final answer
    x = 13,778.52

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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.