Home / 13,443.03-20,165.34-4,083.36

Finding the Fourth Proportional to 13,443.03, 20,165.34 and 4,083.36

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Solution

The fourth proportional to 13,443.03, 20,165.34 and 4,083.36 is: 6,125.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.03 : 20,165.34 = 4,083.36 : x
  2. Step 2: Convert to fraction form
    13,443.03/20,165.34 = 4,083.36/x
  3. Step 3: Cross multiply
    13,443.03x = 20,165.34 × 4,083.36
  4. Step 4: Simplify right side
    13,443.03x = 82,342,342.74
  5. Step 5: Solve for x
    x = 82,342,342.74/13,443.03
  6. Step 6: Final answer
    x = 6,125.28

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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.