Home / 16,036.82-22,129.80-8,866.55

Finding the Fourth Proportional to 16,036.82, 22,129.80 and 8,866.55

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Solution

The fourth proportional to 16,036.82, 22,129.80 and 8,866.55 is: 12,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,036.82 : 22,129.80 = 8,866.55 : x
  2. Step 2: Convert to fraction form
    16,036.82/22,129.80 = 8,866.55/x
  3. Step 3: Cross multiply
    16,036.82x = 22,129.80 × 8,866.55
  4. Step 4: Simplify right side
    16,036.82x = 196,214,867.54
  5. Step 5: Solve for x
    x = 196,214,867.54/16,036.82
  6. Step 6: Final answer
    x = 12,235.28

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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.