Home / 14,975.20-22,448.40-11,641.60

Finding the Fourth Proportional to 14,975.20, 22,448.40 and 11,641.60

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Solution

The fourth proportional to 14,975.20, 22,448.40 and 11,641.60 is: 17,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.20 : 22,448.40 = 11,641.60 : x
  2. Step 2: Convert to fraction form
    14,975.20/22,448.40 = 11,641.60/x
  3. Step 3: Cross multiply
    14,975.20x = 22,448.40 × 11,641.60
  4. Step 4: Simplify right side
    14,975.20x = 261,335,293.44
  5. Step 5: Solve for x
    x = 261,335,293.44/14,975.20
  6. Step 6: Final answer
    x = 17,451.21

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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.