Home / 13,788.93-20,679.55-4,903.13

Finding the Fourth Proportional to 13,788.93, 20,679.55 and 4,903.13

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Solution

The fourth proportional to 13,788.93, 20,679.55 and 4,903.13 is: 7,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.93 : 20,679.55 = 4,903.13 : x
  2. Step 2: Convert to fraction form
    13,788.93/20,679.55 = 4,903.13/x
  3. Step 3: Cross multiply
    13,788.93x = 20,679.55 × 4,903.13
  4. Step 4: Simplify right side
    13,788.93x = 101,394,589.01
  5. Step 5: Solve for x
    x = 101,394,589.01/13,788.93
  6. Step 6: Final answer
    x = 7,353.33

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1.5x scale

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.