Home / 14,490.68-19,996.78-8,522.73

Finding the Fourth Proportional to 14,490.68, 19,996.78 and 8,522.73

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Solution

The fourth proportional to 14,490.68, 19,996.78 and 8,522.73 is: 11,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.68 : 19,996.78 = 8,522.73 : x
  2. Step 2: Convert to fraction form
    14,490.68/19,996.78 = 8,522.73/x
  3. Step 3: Cross multiply
    14,490.68x = 19,996.78 × 8,522.73
  4. Step 4: Simplify right side
    14,490.68x = 170,427,156.81
  5. Step 5: Solve for x
    x = 170,427,156.81/14,490.68
  6. Step 6: Final answer
    x = 11,761.16

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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.