Home / 19,858.86-27,405.27-10,906.97

Finding the Fourth Proportional to 19,858.86, 27,405.27 and 10,906.97

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Solution

The fourth proportional to 19,858.86, 27,405.27 and 10,906.97 is: 15,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.86 : 27,405.27 = 10,906.97 : x
  2. Step 2: Convert to fraction form
    19,858.86/27,405.27 = 10,906.97/x
  3. Step 3: Cross multiply
    19,858.86x = 27,405.27 × 10,906.97
  4. Step 4: Simplify right side
    19,858.86x = 298,908,320.71
  5. Step 5: Solve for x
    x = 298,908,320.71/19,858.86
  6. Step 6: Final answer
    x = 15,051.64

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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.