Home / 25,600.23-38,369.67-16,719.78

Finding the Fourth Proportional to 25,600.23, 38,369.67 and 16,719.78

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Solution

The fourth proportional to 25,600.23, 38,369.67 and 16,719.78 is: 25,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.23 : 38,369.67 = 16,719.78 : x
  2. Step 2: Convert to fraction form
    25,600.23/38,369.67 = 16,719.78/x
  3. Step 3: Cross multiply
    25,600.23x = 38,369.67 × 16,719.78
  4. Step 4: Simplify right side
    25,600.23x = 641,532,441.07
  5. Step 5: Solve for x
    x = 641,532,441.07/25,600.23
  6. Step 6: Final answer
    x = 25,059.64

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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.