Home / 16,907.87-25,370.65-6,920.03

Finding the Fourth Proportional to 16,907.87, 25,370.65 and 6,920.03

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Solution

The fourth proportional to 16,907.87, 25,370.65 and 6,920.03 is: 10,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.87 : 25,370.65 = 6,920.03 : x
  2. Step 2: Convert to fraction form
    16,907.87/25,370.65 = 6,920.03/x
  3. Step 3: Cross multiply
    16,907.87x = 25,370.65 × 6,920.03
  4. Step 4: Simplify right side
    16,907.87x = 175,565,659.12
  5. Step 5: Solve for x
    x = 175,565,659.12/16,907.87
  6. Step 6: Final answer
    x = 10,383.67

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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.