Home / 35,413.20-53,126.20-17,838.80

Finding the Fourth Proportional to 35,413.20, 53,126.20 and 17,838.80

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Solution

The fourth proportional to 35,413.20, 53,126.20 and 17,838.80 is: 26,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,413.20 : 53,126.20 = 17,838.80 : x
  2. Step 2: Convert to fraction form
    35,413.20/53,126.20 = 17,838.80/x
  3. Step 3: Cross multiply
    35,413.20x = 53,126.20 × 17,838.80
  4. Step 4: Simplify right side
    35,413.20x = 947,707,656.56
  5. Step 5: Solve for x
    x = 947,707,656.56/35,413.20
  6. Step 6: Final answer
    x = 26,761.42

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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.