Home / 13,848.85-19,078.06-11,015.37

Finding the Fourth Proportional to 13,848.85, 19,078.06 and 11,015.37

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Solution

The fourth proportional to 13,848.85, 19,078.06 and 11,015.37 is: 15,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.85 : 19,078.06 = 11,015.37 : x
  2. Step 2: Convert to fraction form
    13,848.85/19,078.06 = 11,015.37/x
  3. Step 3: Cross multiply
    13,848.85x = 19,078.06 × 11,015.37
  4. Step 4: Simplify right side
    13,848.85x = 210,151,889.78
  5. Step 5: Solve for x
    x = 210,151,889.78/13,848.85
  6. Step 6: Final answer
    x = 15,174.68

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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.