Home / 19,878.34-27,413.26-13,060.37

Finding the Fourth Proportional to 19,878.34, 27,413.26 and 13,060.37

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Solution

The fourth proportional to 19,878.34, 27,413.26 and 13,060.37 is: 18,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,878.34 : 27,413.26 = 13,060.37 : x
  2. Step 2: Convert to fraction form
    19,878.34/27,413.26 = 13,060.37/x
  3. Step 3: Cross multiply
    19,878.34x = 27,413.26 × 13,060.37
  4. Step 4: Simplify right side
    19,878.34x = 358,027,318.51
  5. Step 5: Solve for x
    x = 358,027,318.51/19,878.34
  6. Step 6: Final answer
    x = 18,010.93

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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.