Home / 26,412.11-39,564.86-20,467.62

Finding the Fourth Proportional to 26,412.11, 39,564.86 and 20,467.62

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Solution

The fourth proportional to 26,412.11, 39,564.86 and 20,467.62 is: 30,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412.11 : 39,564.86 = 20,467.62 : x
  2. Step 2: Convert to fraction form
    26,412.11/39,564.86 = 20,467.62/x
  3. Step 3: Cross multiply
    26,412.11x = 39,564.86 × 20,467.62
  4. Step 4: Simplify right side
    26,412.11x = 809,798,417.50
  5. Step 5: Solve for x
    x = 809,798,417.50/26,412.11
  6. Step 6: Final answer
    x = 30,660.12

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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.