Home / 13,814.96-20,725.92-3,955.10

Finding the Fourth Proportional to 13,814.96, 20,725.92 and 3,955.10

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Solution

The fourth proportional to 13,814.96, 20,725.92 and 3,955.10 is: 5,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.96 : 20,725.92 = 3,955.10 : x
  2. Step 2: Convert to fraction form
    13,814.96/20,725.92 = 3,955.10/x
  3. Step 3: Cross multiply
    13,814.96x = 20,725.92 × 3,955.10
  4. Step 4: Simplify right side
    13,814.96x = 81,973,086.19
  5. Step 5: Solve for x
    x = 81,973,086.19/13,814.96
  6. Step 6: Final answer
    x = 5,933.65

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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.