Home / 13,741.40-20,613.75-4,854.89

Finding the Fourth Proportional to 13,741.40, 20,613.75 and 4,854.89

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Solution

The fourth proportional to 13,741.40, 20,613.75 and 4,854.89 is: 7,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.40 : 20,613.75 = 4,854.89 : x
  2. Step 2: Convert to fraction form
    13,741.40/20,613.75 = 4,854.89/x
  3. Step 3: Cross multiply
    13,741.40x = 20,613.75 × 4,854.89
  4. Step 4: Simplify right side
    13,741.40x = 100,077,464.46
  5. Step 5: Solve for x
    x = 100,077,464.46/13,741.40
  6. Step 6: Final answer
    x = 7,282.92

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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.