Home / 16,031.22-22,123.10-8,957.64

Finding the Fourth Proportional to 16,031.22, 22,123.10 and 8,957.64

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Solution

The fourth proportional to 16,031.22, 22,123.10 and 8,957.64 is: 12,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.22 : 22,123.10 = 8,957.64 : x
  2. Step 2: Convert to fraction form
    16,031.22/22,123.10 = 8,957.64/x
  3. Step 3: Cross multiply
    16,031.22x = 22,123.10 × 8,957.64
  4. Step 4: Simplify right side
    16,031.22x = 198,170,765.48
  5. Step 5: Solve for x
    x = 198,170,765.48/16,031.22
  6. Step 6: Final answer
    x = 12,361.55

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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.