Home / 34,413.92-51,639.69-13,354.79

Finding the Fourth Proportional to 34,413.92, 51,639.69 and 13,354.79

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Solution

The fourth proportional to 34,413.92, 51,639.69 and 13,354.79 is: 20,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,413.92 : 51,639.69 = 13,354.79 : x
  2. Step 2: Convert to fraction form
    34,413.92/51,639.69 = 13,354.79/x
  3. Step 3: Cross multiply
    34,413.92x = 51,639.69 × 13,354.79
  4. Step 4: Simplify right side
    34,413.92x = 689,637,222.85
  5. Step 5: Solve for x
    x = 689,637,222.85/34,413.92
  6. Step 6: Final answer
    x = 20,039.49

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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.