Home / 22,139.14-30,551.12-12,067.36

Finding the Fourth Proportional to 22,139.14, 30,551.12 and 12,067.36

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Solution

The fourth proportional to 22,139.14, 30,551.12 and 12,067.36 is: 16,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.14 : 30,551.12 = 12,067.36 : x
  2. Step 2: Convert to fraction form
    22,139.14/30,551.12 = 12,067.36/x
  3. Step 3: Cross multiply
    22,139.14x = 30,551.12 × 12,067.36
  4. Step 4: Simplify right side
    22,139.14x = 368,671,511.71
  5. Step 5: Solve for x
    x = 368,671,511.71/22,139.14
  6. Step 6: Final answer
    x = 16,652.48

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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.