Home / 16,412.38-22,649.60-9,339.26

Finding the Fourth Proportional to 16,412.38, 22,649.60 and 9,339.26

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Solution

The fourth proportional to 16,412.38, 22,649.60 and 9,339.26 is: 12,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,412.38 : 22,649.60 = 9,339.26 : x
  2. Step 2: Convert to fraction form
    16,412.38/22,649.60 = 9,339.26/x
  3. Step 3: Cross multiply
    16,412.38x = 22,649.60 × 9,339.26
  4. Step 4: Simplify right side
    16,412.38x = 211,530,413.40
  5. Step 5: Solve for x
    x = 211,530,413.40/16,412.38
  6. Step 6: Final answer
    x = 12,888.47

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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.