Home / 13,363.33-20,039.96-5,461.63

Finding the Fourth Proportional to 13,363.33, 20,039.96 and 5,461.63

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Solution

The fourth proportional to 13,363.33, 20,039.96 and 5,461.63 is: 8,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.33 : 20,039.96 = 5,461.63 : x
  2. Step 2: Convert to fraction form
    13,363.33/20,039.96 = 5,461.63/x
  3. Step 3: Cross multiply
    13,363.33x = 20,039.96 × 5,461.63
  4. Step 4: Simplify right side
    13,363.33x = 109,450,779.57
  5. Step 5: Solve for x
    x = 109,450,779.57/13,363.33
  6. Step 6: Final answer
    x = 8,190.38

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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.