Home / 13,443.30-20,166.57-4,676.94

Finding the Fourth Proportional to 13,443.30, 20,166.57 and 4,676.94

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Solution

The fourth proportional to 13,443.30, 20,166.57 and 4,676.94 is: 7,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.30 : 20,166.57 = 4,676.94 : x
  2. Step 2: Convert to fraction form
    13,443.30/20,166.57 = 4,676.94/x
  3. Step 3: Cross multiply
    13,443.30x = 20,166.57 × 4,676.94
  4. Step 4: Simplify right side
    13,443.30x = 94,317,837.90
  5. Step 5: Solve for x
    x = 94,317,837.90/13,443.30
  6. Step 6: Final answer
    x = 7,015.97

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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.