Home / 13,848.10-19,121.26-11,150.75

Finding the Fourth Proportional to 13,848.10, 19,121.26 and 11,150.75

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Solution

The fourth proportional to 13,848.10, 19,121.26 and 11,150.75 is: 15,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.10 : 19,121.26 = 11,150.75 : x
  2. Step 2: Convert to fraction form
    13,848.10/19,121.26 = 11,150.75/x
  3. Step 3: Cross multiply
    13,848.10x = 19,121.26 × 11,150.75
  4. Step 4: Simplify right side
    13,848.10x = 213,216,389.95
  5. Step 5: Solve for x
    x = 213,216,389.95/13,848.10
  6. Step 6: Final answer
    x = 15,396.80

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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.