Home / 22,225.83-33,331.80-7,431.31

Finding the Fourth Proportional to 22,225.83, 33,331.80 and 7,431.31

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Solution

The fourth proportional to 22,225.83, 33,331.80 and 7,431.31 is: 11,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.83 : 33,331.80 = 7,431.31 : x
  2. Step 2: Convert to fraction form
    22,225.83/33,331.80 = 7,431.31/x
  3. Step 3: Cross multiply
    22,225.83x = 33,331.80 × 7,431.31
  4. Step 4: Simplify right side
    22,225.83x = 247,698,938.66
  5. Step 5: Solve for x
    x = 247,698,938.66/22,225.83
  6. Step 6: Final answer
    x = 11,144.64

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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.