Home / 15,996.45-22,076.34-8,827.78

Finding the Fourth Proportional to 15,996.45, 22,076.34 and 8,827.78

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Solution

The fourth proportional to 15,996.45, 22,076.34 and 8,827.78 is: 12,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.45 : 22,076.34 = 8,827.78 : x
  2. Step 2: Convert to fraction form
    15,996.45/22,076.34 = 8,827.78/x
  3. Step 3: Cross multiply
    15,996.45x = 22,076.34 × 8,827.78
  4. Step 4: Simplify right side
    15,996.45x = 194,885,075.48
  5. Step 5: Solve for x
    x = 194,885,075.48/15,996.45
  6. Step 6: Final answer
    x = 12,183.02

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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.