Home / 15,613.21-23,408.86-5,751.22

Finding the Fourth Proportional to 15,613.21, 23,408.86 and 5,751.22

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Solution

The fourth proportional to 15,613.21, 23,408.86 and 5,751.22 is: 8,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.21 : 23,408.86 = 5,751.22 : x
  2. Step 2: Convert to fraction form
    15,613.21/23,408.86 = 5,751.22/x
  3. Step 3: Cross multiply
    15,613.21x = 23,408.86 × 5,751.22
  4. Step 4: Simplify right side
    15,613.21x = 134,629,503.81
  5. Step 5: Solve for x
    x = 134,629,503.81/15,613.21
  6. Step 6: Final answer
    x = 8,622.79

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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.