Home / 16,070.40-22,177.44-8,996.80

Finding the Fourth Proportional to 16,070.40, 22,177.44 and 8,996.80

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Solution

The fourth proportional to 16,070.40, 22,177.44 and 8,996.80 is: 12,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,070.40 : 22,177.44 = 8,996.80 : x
  2. Step 2: Convert to fraction form
    16,070.40/22,177.44 = 8,996.80/x
  3. Step 3: Cross multiply
    16,070.40x = 22,177.44 × 8,996.80
  4. Step 4: Simplify right side
    16,070.40x = 199,525,992.19
  5. Step 5: Solve for x
    x = 199,525,992.19/16,070.40
  6. Step 6: Final answer
    x = 12,415.75

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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.