Home / 19,603.55-27,053.33-11,645.79

Finding the Fourth Proportional to 19,603.55, 27,053.33 and 11,645.79

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Solution

The fourth proportional to 19,603.55, 27,053.33 and 11,645.79 is: 16,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.55 : 27,053.33 = 11,645.79 : x
  2. Step 2: Convert to fraction form
    19,603.55/27,053.33 = 11,645.79/x
  3. Step 3: Cross multiply
    19,603.55x = 27,053.33 × 11,645.79
  4. Step 4: Simplify right side
    19,603.55x = 315,057,341.75
  5. Step 5: Solve for x
    x = 315,057,341.75/19,603.55
  6. Step 6: Final answer
    x = 16,071.45

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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.