Home / 15,998.63-22,076.60-9,282.72

Finding the Fourth Proportional to 15,998.63, 22,076.60 and 9,282.72

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Solution

The fourth proportional to 15,998.63, 22,076.60 and 9,282.72 is: 12,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.63 : 22,076.60 = 9,282.72 : x
  2. Step 2: Convert to fraction form
    15,998.63/22,076.60 = 9,282.72/x
  3. Step 3: Cross multiply
    15,998.63x = 22,076.60 × 9,282.72
  4. Step 4: Simplify right side
    15,998.63x = 204,930,849.94
  5. Step 5: Solve for x
    x = 204,930,849.94/15,998.63
  6. Step 6: Final answer
    x = 12,809.28

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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.