Home / 13,876.36-20,814.73-4,516.42

Finding the Fourth Proportional to 13,876.36, 20,814.73 and 4,516.42

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Solution

The fourth proportional to 13,876.36, 20,814.73 and 4,516.42 is: 6,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.36 : 20,814.73 = 4,516.42 : x
  2. Step 2: Convert to fraction form
    13,876.36/20,814.73 = 4,516.42/x
  3. Step 3: Cross multiply
    13,876.36x = 20,814.73 × 4,516.42
  4. Step 4: Simplify right side
    13,876.36x = 94,008,062.87
  5. Step 5: Solve for x
    x = 94,008,062.87/13,876.36
  6. Step 6: Final answer
    x = 6,774.69

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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.