Home / 26,394.67-39,564.05-12,342.89

Finding the Fourth Proportional to 26,394.67, 39,564.05 and 12,342.89

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Solution

The fourth proportional to 26,394.67, 39,564.05 and 12,342.89 is: 18,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,394.67 : 39,564.05 = 12,342.89 : x
  2. Step 2: Convert to fraction form
    26,394.67/39,564.05 = 12,342.89/x
  3. Step 3: Cross multiply
    26,394.67x = 39,564.05 × 12,342.89
  4. Step 4: Simplify right side
    26,394.67x = 488,334,846.87
  5. Step 5: Solve for x
    x = 488,334,846.87/26,394.67
  6. Step 6: Final answer
    x = 18,501.27

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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.