Home / 19,873.60-27,413.40-11,801.77

Finding the Fourth Proportional to 19,873.60, 27,413.40 and 11,801.77

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Solution

The fourth proportional to 19,873.60, 27,413.40 and 11,801.77 is: 16,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.60 : 27,413.40 = 11,801.77 : x
  2. Step 2: Convert to fraction form
    19,873.60/27,413.40 = 11,801.77/x
  3. Step 3: Cross multiply
    19,873.60x = 27,413.40 × 11,801.77
  4. Step 4: Simplify right side
    19,873.60x = 323,526,641.72
  5. Step 5: Solve for x
    x = 323,526,641.72/19,873.60
  6. Step 6: Final answer
    x = 16,279.22

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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.