Home / 19,905.70-27,473.78-11,413.52

Finding the Fourth Proportional to 19,905.70, 27,473.78 and 11,413.52

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Solution

The fourth proportional to 19,905.70, 27,473.78 and 11,413.52 is: 15,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.70 : 27,473.78 = 11,413.52 : x
  2. Step 2: Convert to fraction form
    19,905.70/27,473.78 = 11,413.52/x
  3. Step 3: Cross multiply
    19,905.70x = 27,473.78 × 11,413.52
  4. Step 4: Simplify right side
    19,905.70x = 313,572,537.51
  5. Step 5: Solve for x
    x = 313,572,537.51/19,905.70
  6. Step 6: Final answer
    x = 15,752.90

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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.