Home / 43,473.99-65,205.54-13,889.37

Finding the Fourth Proportional to 43,473.99, 65,205.54 and 13,889.37

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Solution

The fourth proportional to 43,473.99, 65,205.54 and 13,889.37 is: 20,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,473.99 : 65,205.54 = 13,889.37 : x
  2. Step 2: Convert to fraction form
    43,473.99/65,205.54 = 13,889.37/x
  3. Step 3: Cross multiply
    43,473.99x = 65,205.54 × 13,889.37
  4. Step 4: Simplify right side
    43,473.99x = 905,663,871.11
  5. Step 5: Solve for x
    x = 905,663,871.11/43,473.99
  6. Step 6: Final answer
    x = 20,832.32

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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.