Home / 15,638.56-23,450.32-5,243.04

Finding the Fourth Proportional to 15,638.56, 23,450.32 and 5,243.04

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Solution

The fourth proportional to 15,638.56, 23,450.32 and 5,243.04 is: 7,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.56 : 23,450.32 = 5,243.04 : x
  2. Step 2: Convert to fraction form
    15,638.56/23,450.32 = 5,243.04/x
  3. Step 3: Cross multiply
    15,638.56x = 23,450.32 × 5,243.04
  4. Step 4: Simplify right side
    15,638.56x = 122,950,965.77
  5. Step 5: Solve for x
    x = 122,950,965.77/15,638.56
  6. Step 6: Final answer
    x = 7,862.04

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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.