Home / 13,958.96-20,901.08-11,744.62

Finding the Fourth Proportional to 13,958.96, 20,901.08 and 11,744.62

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Solution

The fourth proportional to 13,958.96, 20,901.08 and 11,744.62 is: 17,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.96 : 20,901.08 = 11,744.62 : x
  2. Step 2: Convert to fraction form
    13,958.96/20,901.08 = 11,744.62/x
  3. Step 3: Cross multiply
    13,958.96x = 20,901.08 × 11,744.62
  4. Step 4: Simplify right side
    13,958.96x = 245,475,219.30
  5. Step 5: Solve for x
    x = 245,475,219.30/13,958.96
  6. Step 6: Final answer
    x = 17,585.50

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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.