Home / 13,867.26-19,137.33-7,579.50

Finding the Fourth Proportional to 13,867.26, 19,137.33 and 7,579.50

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Solution

The fourth proportional to 13,867.26, 19,137.33 and 7,579.50 is: 10,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.26 : 19,137.33 = 7,579.50 : x
  2. Step 2: Convert to fraction form
    13,867.26/19,137.33 = 7,579.50/x
  3. Step 3: Cross multiply
    13,867.26x = 19,137.33 × 7,579.50
  4. Step 4: Simplify right side
    13,867.26x = 145,051,392.74
  5. Step 5: Solve for x
    x = 145,051,392.74/13,867.26
  6. Step 6: Final answer
    x = 10,459.99

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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.