Home / 15,109.80-22,656.60-6,334.80

Finding the Fourth Proportional to 15,109.80, 22,656.60 and 6,334.80

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Solution

The fourth proportional to 15,109.80, 22,656.60 and 6,334.80 is: 9,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.80 : 22,656.60 = 6,334.80 : x
  2. Step 2: Convert to fraction form
    15,109.80/22,656.60 = 6,334.80/x
  3. Step 3: Cross multiply
    15,109.80x = 22,656.60 × 6,334.80
  4. Step 4: Simplify right side
    15,109.80x = 143,525,029.68
  5. Step 5: Solve for x
    x = 143,525,029.68/15,109.80
  6. Step 6: Final answer
    x = 9,498.80

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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.