Home / 19,413.71-26,790.68-10,917.26

Finding the Fourth Proportional to 19,413.71, 26,790.68 and 10,917.26

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Solution

The fourth proportional to 19,413.71, 26,790.68 and 10,917.26 is: 15,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.71 : 26,790.68 = 10,917.26 : x
  2. Step 2: Convert to fraction form
    19,413.71/26,790.68 = 10,917.26/x
  3. Step 3: Cross multiply
    19,413.71x = 26,790.68 × 10,917.26
  4. Step 4: Simplify right side
    19,413.71x = 292,480,812.94
  5. Step 5: Solve for x
    x = 292,480,812.94/19,413.71
  6. Step 6: Final answer
    x = 15,065.68

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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.