Home / 20,362.08-28,098.06-11,407.56

Finding the Fourth Proportional to 20,362.08, 28,098.06 and 11,407.56

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Solution

The fourth proportional to 20,362.08, 28,098.06 and 11,407.56 is: 15,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.08 : 28,098.06 = 11,407.56 : x
  2. Step 2: Convert to fraction form
    20,362.08/28,098.06 = 11,407.56/x
  3. Step 3: Cross multiply
    20,362.08x = 28,098.06 × 11,407.56
  4. Step 4: Simplify right side
    20,362.08x = 320,530,305.33
  5. Step 5: Solve for x
    x = 320,530,305.33/20,362.08
  6. Step 6: Final answer
    x = 15,741.53

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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.