Home / 16,112.65-22,235.43-9,039.28

Finding the Fourth Proportional to 16,112.65, 22,235.43 and 9,039.28

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Solution

The fourth proportional to 16,112.65, 22,235.43 and 9,039.28 is: 12,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,112.65 : 22,235.43 = 9,039.28 : x
  2. Step 2: Convert to fraction form
    16,112.65/22,235.43 = 9,039.28/x
  3. Step 3: Cross multiply
    16,112.65x = 22,235.43 × 9,039.28
  4. Step 4: Simplify right side
    16,112.65x = 200,992,277.69
  5. Step 5: Solve for x
    x = 200,992,277.69/16,112.65
  6. Step 6: Final answer
    x = 12,474.19

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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.