Home / 13,349.56-20,025.38-7,803.48

Finding the Fourth Proportional to 13,349.56, 20,025.38 and 7,803.48

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Solution

The fourth proportional to 13,349.56, 20,025.38 and 7,803.48 is: 11,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.56 : 20,025.38 = 7,803.48 : x
  2. Step 2: Convert to fraction form
    13,349.56/20,025.38 = 7,803.48/x
  3. Step 3: Cross multiply
    13,349.56x = 20,025.38 × 7,803.48
  4. Step 4: Simplify right side
    13,349.56x = 156,267,652.32
  5. Step 5: Solve for x
    x = 156,267,652.32/13,349.56
  6. Step 6: Final answer
    x = 11,705.83

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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.