Home / 22,220.07-33,331.88-7,429.07

Finding the Fourth Proportional to 22,220.07, 33,331.88 and 7,429.07

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Solution

The fourth proportional to 22,220.07, 33,331.88 and 7,429.07 is: 11,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.07 : 33,331.88 = 7,429.07 : x
  2. Step 2: Convert to fraction form
    22,220.07/33,331.88 = 7,429.07/x
  3. Step 3: Cross multiply
    22,220.07x = 33,331.88 × 7,429.07
  4. Step 4: Simplify right side
    22,220.07x = 247,624,804.99
  5. Step 5: Solve for x
    x = 247,624,804.99/22,220.07
  6. Step 6: Final answer
    x = 11,144.19

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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.