Home / 19,568.51-26,998.16-11,069.81

Finding the Fourth Proportional to 19,568.51, 26,998.16 and 11,069.81

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Solution

The fourth proportional to 19,568.51, 26,998.16 and 11,069.81 is: 15,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,568.51 : 26,998.16 = 11,069.81 : x
  2. Step 2: Convert to fraction form
    19,568.51/26,998.16 = 11,069.81/x
  3. Step 3: Cross multiply
    19,568.51x = 26,998.16 × 11,069.81
  4. Step 4: Simplify right side
    19,568.51x = 298,864,501.55
  5. Step 5: Solve for x
    x = 298,864,501.55/19,568.51
  6. Step 6: Final answer
    x = 15,272.73

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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.