Home / 20,579.53-30,844.51-9,471.01

Finding the Fourth Proportional to 20,579.53, 30,844.51 and 9,471.01

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Solution

The fourth proportional to 20,579.53, 30,844.51 and 9,471.01 is: 14,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579.53 : 30,844.51 = 9,471.01 : x
  2. Step 2: Convert to fraction form
    20,579.53/30,844.51 = 9,471.01/x
  3. Step 3: Cross multiply
    20,579.53x = 30,844.51 × 9,471.01
  4. Step 4: Simplify right side
    20,579.53x = 292,128,662.66
  5. Step 5: Solve for x
    x = 292,128,662.66/20,579.53
  6. Step 6: Final answer
    x = 14,195.11

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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.