Home / 16,037.80-22,128.39-9,662.69

Finding the Fourth Proportional to 16,037.80, 22,128.39 and 9,662.69

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Solution

The fourth proportional to 16,037.80, 22,128.39 and 9,662.69 is: 13,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,037.80 : 22,128.39 = 9,662.69 : x
  2. Step 2: Convert to fraction form
    16,037.80/22,128.39 = 9,662.69/x
  3. Step 3: Cross multiply
    16,037.80x = 22,128.39 × 9,662.69
  4. Step 4: Simplify right side
    16,037.80x = 213,819,828.09
  5. Step 5: Solve for x
    x = 213,819,828.09/16,037.80
  6. Step 6: Final answer
    x = 13,332.24

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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.