Home / 22,245.54-30,698.96-12,555.08

Finding the Fourth Proportional to 22,245.54, 30,698.96 and 12,555.08

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Solution

The fourth proportional to 22,245.54, 30,698.96 and 12,555.08 is: 17,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.54 : 30,698.96 = 12,555.08 : x
  2. Step 2: Convert to fraction form
    22,245.54/30,698.96 = 12,555.08/x
  3. Step 3: Cross multiply
    22,245.54x = 30,698.96 × 12,555.08
  4. Step 4: Simplify right side
    22,245.54x = 385,427,745.22
  5. Step 5: Solve for x
    x = 385,427,745.22/22,245.54
  6. Step 6: Final answer
    x = 17,326.07

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Half scale
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Double scale
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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.