Home / 17,638.20-26,450.46-8,866.98

Finding the Fourth Proportional to 17,638.20, 26,450.46 and 8,866.98

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Solution

The fourth proportional to 17,638.20, 26,450.46 and 8,866.98 is: 13,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.20 : 26,450.46 = 8,866.98 : x
  2. Step 2: Convert to fraction form
    17,638.20/26,450.46 = 8,866.98/x
  3. Step 3: Cross multiply
    17,638.20x = 26,450.46 × 8,866.98
  4. Step 4: Simplify right side
    17,638.20x = 234,535,699.81
  5. Step 5: Solve for x
    x = 234,535,699.81/17,638.20
  6. Step 6: Final answer
    x = 13,297.03

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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.