Home / 26,449.90-39,688.78-11,669.02

Finding the Fourth Proportional to 26,449.90, 39,688.78 and 11,669.02

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Solution

The fourth proportional to 26,449.90, 39,688.78 and 11,669.02 is: 17,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.90 : 39,688.78 = 11,669.02 : x
  2. Step 2: Convert to fraction form
    26,449.90/39,688.78 = 11,669.02/x
  3. Step 3: Cross multiply
    26,449.90x = 39,688.78 × 11,669.02
  4. Step 4: Simplify right side
    26,449.90x = 463,129,167.60
  5. Step 5: Solve for x
    x = 463,129,167.60/26,449.90
  6. Step 6: Final answer
    x = 17,509.68

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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.