Home / 13,413.24-20,152.67-12,667.23

Finding the Fourth Proportional to 13,413.24, 20,152.67 and 12,667.23

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Solution

The fourth proportional to 13,413.24, 20,152.67 and 12,667.23 is: 19,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.24 : 20,152.67 = 12,667.23 : x
  2. Step 2: Convert to fraction form
    13,413.24/20,152.67 = 12,667.23/x
  3. Step 3: Cross multiply
    13,413.24x = 20,152.67 × 12,667.23
  4. Step 4: Simplify right side
    13,413.24x = 255,278,442.67
  5. Step 5: Solve for x
    x = 255,278,442.67/13,413.24
  6. Step 6: Final answer
    x = 19,031.83

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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.