Home / 19,603.05-27,052.64-11,645.29

Finding the Fourth Proportional to 19,603.05, 27,052.64 and 11,645.29

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Solution

The fourth proportional to 19,603.05, 27,052.64 and 11,645.29 is: 16,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.05 : 27,052.64 = 11,645.29 : x
  2. Step 2: Convert to fraction form
    19,603.05/27,052.64 = 11,645.29/x
  3. Step 3: Cross multiply
    19,603.05x = 27,052.64 × 11,645.29
  4. Step 4: Simplify right side
    19,603.05x = 315,035,838.07
  5. Step 5: Solve for x
    x = 315,035,838.07/19,603.05
  6. Step 6: Final answer
    x = 16,070.76

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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.