Home / 16,029.09-22,129.61-11,564.37

Finding the Fourth Proportional to 16,029.09, 22,129.61 and 11,564.37

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Solution

The fourth proportional to 16,029.09, 22,129.61 and 11,564.37 is: 15,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.09 : 22,129.61 = 11,564.37 : x
  2. Step 2: Convert to fraction form
    16,029.09/22,129.61 = 11,564.37/x
  3. Step 3: Cross multiply
    16,029.09x = 22,129.61 × 11,564.37
  4. Step 4: Simplify right side
    16,029.09x = 255,914,940.17
  5. Step 5: Solve for x
    x = 255,914,940.17/16,029.09
  6. Step 6: Final answer
    x = 15,965.66

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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.