Home / 24,739.60-34,140-13,408.60

Finding the Fourth Proportional to 24,739.60, 34,140 and 13,408.60

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Solution

The fourth proportional to 24,739.60, 34,140 and 13,408.60 is: 18,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,739.60 : 34,140 = 13,408.60 : x
  2. Step 2: Convert to fraction form
    24,739.60/34,140 = 13,408.60/x
  3. Step 3: Cross multiply
    24,739.60x = 34,140 × 13,408.60
  4. Step 4: Simplify right side
    24,739.60x = 457,769,604
  5. Step 5: Solve for x
    x = 457,769,604/24,739.60
  6. Step 6: Final answer
    x = 18,503.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.