Home / 13,948.20-19,255.32-10,954.44

Finding the Fourth Proportional to 13,948.20, 19,255.32 and 10,954.44

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Solution

The fourth proportional to 13,948.20, 19,255.32 and 10,954.44 is: 15,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.20 : 19,255.32 = 10,954.44 : x
  2. Step 2: Convert to fraction form
    13,948.20/19,255.32 = 10,954.44/x
  3. Step 3: Cross multiply
    13,948.20x = 19,255.32 × 10,954.44
  4. Step 4: Simplify right side
    13,948.20x = 210,931,247.62
  5. Step 5: Solve for x
    x = 210,931,247.62/13,948.20
  6. Step 6: Final answer
    x = 15,122.47

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1.5x scale

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.