Home / 26,493.86-39,721.65-13,355.46

Finding the Fourth Proportional to 26,493.86, 39,721.65 and 13,355.46

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Solution

The fourth proportional to 26,493.86, 39,721.65 and 13,355.46 is: 20,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,493.86 : 39,721.65 = 13,355.46 : x
  2. Step 2: Convert to fraction form
    26,493.86/39,721.65 = 13,355.46/x
  3. Step 3: Cross multiply
    26,493.86x = 39,721.65 × 13,355.46
  4. Step 4: Simplify right side
    26,493.86x = 530,500,907.71
  5. Step 5: Solve for x
    x = 530,500,907.71/26,493.86
  6. Step 6: Final answer
    x = 20,023.54

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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.