Home / 14,731.11-22,096.66-12,128.58

Finding the Fourth Proportional to 14,731.11, 22,096.66 and 12,128.58

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Solution

The fourth proportional to 14,731.11, 22,096.66 and 12,128.58 is: 18,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.11 : 22,096.66 = 12,128.58 : x
  2. Step 2: Convert to fraction form
    14,731.11/22,096.66 = 12,128.58/x
  3. Step 3: Cross multiply
    14,731.11x = 22,096.66 × 12,128.58
  4. Step 4: Simplify right side
    14,731.11x = 268,001,108.54
  5. Step 5: Solve for x
    x = 268,001,108.54/14,731.11
  6. Step 6: Final answer
    x = 18,192.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.