Home / 13,536.78-18,684.14-10,837.46

Finding the Fourth Proportional to 13,536.78, 18,684.14 and 10,837.46

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Solution

The fourth proportional to 13,536.78, 18,684.14 and 10,837.46 is: 14,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.78 : 18,684.14 = 10,837.46 : x
  2. Step 2: Convert to fraction form
    13,536.78/18,684.14 = 10,837.46/x
  3. Step 3: Cross multiply
    13,536.78x = 18,684.14 × 10,837.46
  4. Step 4: Simplify right side
    13,536.78x = 202,488,619.88
  5. Step 5: Solve for x
    x = 202,488,619.88/13,536.78
  6. Step 6: Final answer
    x = 14,958.40

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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.