Home / 16,040.08-22,135.80-8,966.80

Finding the Fourth Proportional to 16,040.08, 22,135.80 and 8,966.80

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Solution

The fourth proportional to 16,040.08, 22,135.80 and 8,966.80 is: 12,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.08 : 22,135.80 = 8,966.80 : x
  2. Step 2: Convert to fraction form
    16,040.08/22,135.80 = 8,966.80/x
  3. Step 3: Cross multiply
    16,040.08x = 22,135.80 × 8,966.80
  4. Step 4: Simplify right side
    16,040.08x = 198,487,291.44
  5. Step 5: Solve for x
    x = 198,487,291.44/16,040.08
  6. Step 6: Final answer
    x = 12,374.46

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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.