Home / 15,245.25-22,867.74-11,916.30

Finding the Fourth Proportional to 15,245.25, 22,867.74 and 11,916.30

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Solution

The fourth proportional to 15,245.25, 22,867.74 and 11,916.30 is: 17,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.25 : 22,867.74 = 11,916.30 : x
  2. Step 2: Convert to fraction form
    15,245.25/22,867.74 = 11,916.30/x
  3. Step 3: Cross multiply
    15,245.25x = 22,867.74 × 11,916.30
  4. Step 4: Simplify right side
    15,245.25x = 272,498,792.56
  5. Step 5: Solve for x
    x = 272,498,792.56/15,245.25
  6. Step 6: Final answer
    x = 17,874.34

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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.