Home / 22,220.06-33,329.40-9,072.56

Finding the Fourth Proportional to 22,220.06, 33,329.40 and 9,072.56

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Solution

The fourth proportional to 22,220.06, 33,329.40 and 9,072.56 is: 13,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.06 : 33,329.40 = 9,072.56 : x
  2. Step 2: Convert to fraction form
    22,220.06/33,329.40 = 9,072.56/x
  3. Step 3: Cross multiply
    22,220.06x = 33,329.40 × 9,072.56
  4. Step 4: Simplify right side
    22,220.06x = 302,382,981.26
  5. Step 5: Solve for x
    x = 302,382,981.26/22,220.06
  6. Step 6: Final answer
    x = 13,608.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.