Home / 19,858.59-27,405.14-10,906.92

Finding the Fourth Proportional to 19,858.59, 27,405.14 and 10,906.92

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Solution

The fourth proportional to 19,858.59, 27,405.14 and 10,906.92 is: 15,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.59 : 27,405.14 = 10,906.92 : x
  2. Step 2: Convert to fraction form
    19,858.59/27,405.14 = 10,906.92/x
  3. Step 3: Cross multiply
    19,858.59x = 27,405.14 × 10,906.92
  4. Step 4: Simplify right side
    19,858.59x = 298,905,615.03
  5. Step 5: Solve for x
    x = 298,905,615.03/19,858.59
  6. Step 6: Final answer
    x = 15,051.70

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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.