Home / 22,038.93-30,413.70-11,967.30

Finding the Fourth Proportional to 22,038.93, 30,413.70 and 11,967.30

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Solution

The fourth proportional to 22,038.93, 30,413.70 and 11,967.30 is: 16,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.93 : 30,413.70 = 11,967.30 : x
  2. Step 2: Convert to fraction form
    22,038.93/30,413.70 = 11,967.30/x
  3. Step 3: Cross multiply
    22,038.93x = 30,413.70 × 11,967.30
  4. Step 4: Simplify right side
    22,038.93x = 363,969,872.01
  5. Step 5: Solve for x
    x = 363,969,872.01/22,038.93
  6. Step 6: Final answer
    x = 16,514.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.