Home / 13,873.11-20,782.14-6,467.37

Finding the Fourth Proportional to 13,873.11, 20,782.14 and 6,467.37

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Solution

The fourth proportional to 13,873.11, 20,782.14 and 6,467.37 is: 9,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.11 : 20,782.14 = 6,467.37 : x
  2. Step 2: Convert to fraction form
    13,873.11/20,782.14 = 6,467.37/x
  3. Step 3: Cross multiply
    13,873.11x = 20,782.14 × 6,467.37
  4. Step 4: Simplify right side
    13,873.11x = 134,405,788.77
  5. Step 5: Solve for x
    x = 134,405,788.77/13,873.11
  6. Step 6: Final answer
    x = 9,688.22

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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.