Home / 25,120.96-34,664.50-15,049.24

Finding the Fourth Proportional to 25,120.96, 34,664.50 and 15,049.24

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Solution

The fourth proportional to 25,120.96, 34,664.50 and 15,049.24 is: 20,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.96 : 34,664.50 = 15,049.24 : x
  2. Step 2: Convert to fraction form
    25,120.96/34,664.50 = 15,049.24/x
  3. Step 3: Cross multiply
    25,120.96x = 34,664.50 × 15,049.24
  4. Step 4: Simplify right side
    25,120.96x = 521,674,379.98
  5. Step 5: Solve for x
    x = 521,674,379.98/25,120.96
  6. Step 6: Final answer
    x = 20,766.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.