Home / 13,833.44-19,090.79-7,545.81

Finding the Fourth Proportional to 13,833.44, 19,090.79 and 7,545.81

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Solution

The fourth proportional to 13,833.44, 19,090.79 and 7,545.81 is: 10,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.44 : 19,090.79 = 7,545.81 : x
  2. Step 2: Convert to fraction form
    13,833.44/19,090.79 = 7,545.81/x
  3. Step 3: Cross multiply
    13,833.44x = 19,090.79 × 7,545.81
  4. Step 4: Simplify right side
    13,833.44x = 144,055,474.09
  5. Step 5: Solve for x
    x = 144,055,474.09/13,833.44
  6. Step 6: Final answer
    x = 10,413.57

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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.