Home / 13,705.70-20,559.83-3,844.93

Finding the Fourth Proportional to 13,705.70, 20,559.83 and 3,844.93

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Solution

The fourth proportional to 13,705.70, 20,559.83 and 3,844.93 is: 5,767.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.70 : 20,559.83 = 3,844.93 : x
  2. Step 2: Convert to fraction form
    13,705.70/20,559.83 = 3,844.93/x
  3. Step 3: Cross multiply
    13,705.70x = 20,559.83 × 3,844.93
  4. Step 4: Simplify right side
    13,705.70x = 79,051,107.16
  5. Step 5: Solve for x
    x = 79,051,107.16/13,705.70
  6. Step 6: Final answer
    x = 5,767.76

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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.