Home / 13,876.42-20,810.83-6,473.54

Finding the Fourth Proportional to 13,876.42, 20,810.83 and 6,473.54

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Solution

The fourth proportional to 13,876.42, 20,810.83 and 6,473.54 is: 9,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.42 : 20,810.83 = 6,473.54 : x
  2. Step 2: Convert to fraction form
    13,876.42/20,810.83 = 6,473.54/x
  3. Step 3: Cross multiply
    13,876.42x = 20,810.83 × 6,473.54
  4. Step 4: Simplify right side
    13,876.42x = 134,719,740.44
  5. Step 5: Solve for x
    x = 134,719,740.44/13,876.42
  6. Step 6: Final answer
    x = 9,708.54

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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.