Home / 22,128.58-30,537.16-12,057.44

Finding the Fourth Proportional to 22,128.58, 30,537.16 and 12,057.44

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Solution

The fourth proportional to 22,128.58, 30,537.16 and 12,057.44 is: 16,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128.58 : 30,537.16 = 12,057.44 : x
  2. Step 2: Convert to fraction form
    22,128.58/30,537.16 = 12,057.44/x
  3. Step 3: Cross multiply
    22,128.58x = 30,537.16 × 12,057.44
  4. Step 4: Simplify right side
    22,128.58x = 368,199,974.47
  5. Step 5: Solve for x
    x = 368,199,974.47/22,128.58
  6. Step 6: Final answer
    x = 16,639.11

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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.