Home / 19,128.06-26,393.04-11,170.62

Finding the Fourth Proportional to 19,128.06, 26,393.04 and 11,170.62

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Solution

The fourth proportional to 19,128.06, 26,393.04 and 11,170.62 is: 15,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.06 : 26,393.04 = 11,170.62 : x
  2. Step 2: Convert to fraction form
    19,128.06/26,393.04 = 11,170.62/x
  3. Step 3: Cross multiply
    19,128.06x = 26,393.04 × 11,170.62
  4. Step 4: Simplify right side
    19,128.06x = 294,826,620.48
  5. Step 5: Solve for x
    x = 294,826,620.48/19,128.06
  6. Step 6: Final answer
    x = 15,413.30

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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.