Home / 22,905.80-34,360.06-7,112.32

Finding the Fourth Proportional to 22,905.80, 34,360.06 and 7,112.32

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Solution

The fourth proportional to 22,905.80, 34,360.06 and 7,112.32 is: 10,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.80 : 34,360.06 = 7,112.32 : x
  2. Step 2: Convert to fraction form
    22,905.80/34,360.06 = 7,112.32/x
  3. Step 3: Cross multiply
    22,905.80x = 34,360.06 × 7,112.32
  4. Step 4: Simplify right side
    22,905.80x = 244,379,741.94
  5. Step 5: Solve for x
    x = 244,379,741.94/22,905.80
  6. Step 6: Final answer
    x = 10,668.90

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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.