Home / 20,937.01-31,410.37-6,896.53

Finding the Fourth Proportional to 20,937.01, 31,410.37 and 6,896.53

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Solution

The fourth proportional to 20,937.01, 31,410.37 and 6,896.53 is: 10,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,937.01 : 31,410.37 = 6,896.53 : x
  2. Step 2: Convert to fraction form
    20,937.01/31,410.37 = 6,896.53/x
  3. Step 3: Cross multiply
    20,937.01x = 31,410.37 × 6,896.53
  4. Step 4: Simplify right side
    20,937.01x = 216,622,559.02
  5. Step 5: Solve for x
    x = 216,622,559.02/20,937.01
  6. Step 6: Final answer
    x = 10,346.39

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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.