Home / 22,281.42-33,423.12-12,413.22

Finding the Fourth Proportional to 22,281.42, 33,423.12 and 12,413.22

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Solution

The fourth proportional to 22,281.42, 33,423.12 and 12,413.22 is: 18,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.42 : 33,423.12 = 12,413.22 : x
  2. Step 2: Convert to fraction form
    22,281.42/33,423.12 = 12,413.22/x
  3. Step 3: Cross multiply
    22,281.42x = 33,423.12 × 12,413.22
  4. Step 4: Simplify right side
    22,281.42x = 414,888,541.65
  5. Step 5: Solve for x
    x = 414,888,541.65/22,281.42
  6. Step 6: Final answer
    x = 18,620.38

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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.