Home / 13,069.86-19,604.65-5,679.62

Finding the Fourth Proportional to 13,069.86, 19,604.65 and 5,679.62

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Solution

The fourth proportional to 13,069.86, 19,604.65 and 5,679.62 is: 8,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.86 : 19,604.65 = 5,679.62 : x
  2. Step 2: Convert to fraction form
    13,069.86/19,604.65 = 5,679.62/x
  3. Step 3: Cross multiply
    13,069.86x = 19,604.65 × 5,679.62
  4. Step 4: Simplify right side
    13,069.86x = 111,346,934.18
  5. Step 5: Solve for x
    x = 111,346,934.18/13,069.86
  6. Step 6: Final answer
    x = 8,519.37

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1.5x scale

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.