Home / 19,848.96-27,404.36-13,143.64

Finding the Fourth Proportional to 19,848.96, 27,404.36 and 13,143.64

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Solution

The fourth proportional to 19,848.96, 27,404.36 and 13,143.64 is: 18,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.96 : 27,404.36 = 13,143.64 : x
  2. Step 2: Convert to fraction form
    19,848.96/27,404.36 = 13,143.64/x
  3. Step 3: Cross multiply
    19,848.96x = 27,404.36 × 13,143.64
  4. Step 4: Simplify right side
    19,848.96x = 360,193,141.24
  5. Step 5: Solve for x
    x = 360,193,141.24/19,848.96
  6. Step 6: Final answer
    x = 18,146.70

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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.