Home / 16,112.90-22,235.28-9,039.44

Finding the Fourth Proportional to 16,112.90, 22,235.28 and 9,039.44

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Solution

The fourth proportional to 16,112.90, 22,235.28 and 9,039.44 is: 12,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,112.90 : 22,235.28 = 9,039.44 : x
  2. Step 2: Convert to fraction form
    16,112.90/22,235.28 = 9,039.44/x
  3. Step 3: Cross multiply
    16,112.90x = 22,235.28 × 9,039.44
  4. Step 4: Simplify right side
    16,112.90x = 200,994,479.44
  5. Step 5: Solve for x
    x = 200,994,479.44/16,112.90
  6. Step 6: Final answer
    x = 12,474.13

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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.