Home / 19,169.31-26,448.08-11,102.43

Finding the Fourth Proportional to 19,169.31, 26,448.08 and 11,102.43

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Solution

The fourth proportional to 19,169.31, 26,448.08 and 11,102.43 is: 15,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.31 : 26,448.08 = 11,102.43 : x
  2. Step 2: Convert to fraction form
    19,169.31/26,448.08 = 11,102.43/x
  3. Step 3: Cross multiply
    19,169.31x = 26,448.08 × 11,102.43
  4. Step 4: Simplify right side
    19,169.31x = 293,637,901.32
  5. Step 5: Solve for x
    x = 293,637,901.32/19,169.31
  6. Step 6: Final answer
    x = 15,318.13

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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.