Home / 16,031.50-22,123.02-8,957.92

Finding the Fourth Proportional to 16,031.50, 22,123.02 and 8,957.92

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Solution

The fourth proportional to 16,031.50, 22,123.02 and 8,957.92 is: 12,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.50 : 22,123.02 = 8,957.92 : x
  2. Step 2: Convert to fraction form
    16,031.50/22,123.02 = 8,957.92/x
  3. Step 3: Cross multiply
    16,031.50x = 22,123.02 × 8,957.92
  4. Step 4: Simplify right side
    16,031.50x = 198,176,243.32
  5. Step 5: Solve for x
    x = 198,176,243.32/16,031.50
  6. Step 6: Final answer
    x = 12,361.68

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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.