Home / 19,433.66-29,179.65-11,123.06

Finding the Fourth Proportional to 19,433.66, 29,179.65 and 11,123.06

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Solution

The fourth proportional to 19,433.66, 29,179.65 and 11,123.06 is: 16,701.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.66 : 29,179.65 = 11,123.06 : x
  2. Step 2: Convert to fraction form
    19,433.66/29,179.65 = 11,123.06/x
  3. Step 3: Cross multiply
    19,433.66x = 29,179.65 × 11,123.06
  4. Step 4: Simplify right side
    19,433.66x = 324,566,997.73
  5. Step 5: Solve for x
    x = 324,566,997.73/19,433.66
  6. Step 6: Final answer
    x = 16,701.28

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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.