Home / 16,830.59-25,236.97-5,140.67

Finding the Fourth Proportional to 16,830.59, 25,236.97 and 5,140.67

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Solution

The fourth proportional to 16,830.59, 25,236.97 and 5,140.67 is: 7,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.59 : 25,236.97 = 5,140.67 : x
  2. Step 2: Convert to fraction form
    16,830.59/25,236.97 = 5,140.67/x
  3. Step 3: Cross multiply
    16,830.59x = 25,236.97 × 5,140.67
  4. Step 4: Simplify right side
    16,830.59x = 129,734,795.53
  5. Step 5: Solve for x
    x = 129,734,795.53/16,830.59
  6. Step 6: Final answer
    x = 7,708.28

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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.