Home / 13,247.22-19,873.57-3,887.54

Finding the Fourth Proportional to 13,247.22, 19,873.57 and 3,887.54

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Solution

The fourth proportional to 13,247.22, 19,873.57 and 3,887.54 is: 5,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.22 : 19,873.57 = 3,887.54 : x
  2. Step 2: Convert to fraction form
    13,247.22/19,873.57 = 3,887.54/x
  3. Step 3: Cross multiply
    13,247.22x = 19,873.57 × 3,887.54
  4. Step 4: Simplify right side
    13,247.22x = 77,259,298.32
  5. Step 5: Solve for x
    x = 77,259,298.32/13,247.22
  6. Step 6: Final answer
    x = 5,832.11

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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.