Home / 17,413.85-26,120.78-7,018.31

Finding the Fourth Proportional to 17,413.85, 26,120.78 and 7,018.31

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Solution

The fourth proportional to 17,413.85, 26,120.78 and 7,018.31 is: 10,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,413.85 : 26,120.78 = 7,018.31 : x
  2. Step 2: Convert to fraction form
    17,413.85/26,120.78 = 7,018.31/x
  3. Step 3: Cross multiply
    17,413.85x = 26,120.78 × 7,018.31
  4. Step 4: Simplify right side
    17,413.85x = 183,323,788.01
  5. Step 5: Solve for x
    x = 183,323,788.01/17,413.85
  6. Step 6: Final answer
    x = 10,527.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.