Home / 16,031.48-22,120.74-8,957.96

Finding the Fourth Proportional to 16,031.48, 22,120.74 and 8,957.96

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Solution

The fourth proportional to 16,031.48, 22,120.74 and 8,957.96 is: 12,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.48 : 22,120.74 = 8,957.96 : x
  2. Step 2: Convert to fraction form
    16,031.48/22,120.74 = 8,957.96/x
  3. Step 3: Cross multiply
    16,031.48x = 22,120.74 × 8,957.96
  4. Step 4: Simplify right side
    16,031.48x = 198,156,704.09
  5. Step 5: Solve for x
    x = 198,156,704.09/16,031.48
  6. Step 6: Final answer
    x = 12,360.47

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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.