Home / 19,413.86-26,790.98-11,030.36

Finding the Fourth Proportional to 19,413.86, 26,790.98 and 11,030.36

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Solution

The fourth proportional to 19,413.86, 26,790.98 and 11,030.36 is: 15,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.86 : 26,790.98 = 11,030.36 : x
  2. Step 2: Convert to fraction form
    19,413.86/26,790.98 = 11,030.36/x
  3. Step 3: Cross multiply
    19,413.86x = 26,790.98 × 11,030.36
  4. Step 4: Simplify right side
    19,413.86x = 295,514,154.15
  5. Step 5: Solve for x
    x = 295,514,154.15/19,413.86
  6. Step 6: Final answer
    x = 15,221.81

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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.