Home / 13,804.36-20,709.85-4,445.26

Finding the Fourth Proportional to 13,804.36, 20,709.85 and 4,445.26

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Solution

The fourth proportional to 13,804.36, 20,709.85 and 4,445.26 is: 6,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.36 : 20,709.85 = 4,445.26 : x
  2. Step 2: Convert to fraction form
    13,804.36/20,709.85 = 4,445.26/x
  3. Step 3: Cross multiply
    13,804.36x = 20,709.85 × 4,445.26
  4. Step 4: Simplify right side
    13,804.36x = 92,060,667.81
  5. Step 5: Solve for x
    x = 92,060,667.81/13,804.36
  6. Step 6: Final answer
    x = 6,668.96

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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.