Home / 25,628.91-35,369.26-15,021.96

Finding the Fourth Proportional to 25,628.91, 35,369.26 and 15,021.96

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Solution

The fourth proportional to 25,628.91, 35,369.26 and 15,021.96 is: 20,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.91 : 35,369.26 = 15,021.96 : x
  2. Step 2: Convert to fraction form
    25,628.91/35,369.26 = 15,021.96/x
  3. Step 3: Cross multiply
    25,628.91x = 35,369.26 × 15,021.96
  4. Step 4: Simplify right side
    25,628.91x = 531,315,438.76
  5. Step 5: Solve for x
    x = 531,315,438.76/25,628.91
  6. Step 6: Final answer
    x = 20,731.10

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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.