Home / 20,816.70-31,229.10-6,026.10

Finding the Fourth Proportional to 20,816.70, 31,229.10 and 6,026.10

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Solution

The fourth proportional to 20,816.70, 31,229.10 and 6,026.10 is: 9,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,816.70 : 31,229.10 = 6,026.10 : x
  2. Step 2: Convert to fraction form
    20,816.70/31,229.10 = 6,026.10/x
  3. Step 3: Cross multiply
    20,816.70x = 31,229.10 × 6,026.10
  4. Step 4: Simplify right side
    20,816.70x = 188,189,679.51
  5. Step 5: Solve for x
    x = 188,189,679.51/20,816.70
  6. Step 6: Final answer
    x = 9,040.32

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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.