Home / 20,036.96-30,046.08-7,556.48

Finding the Fourth Proportional to 20,036.96, 30,046.08 and 7,556.48

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Solution

The fourth proportional to 20,036.96, 30,046.08 and 7,556.48 is: 11,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.96 : 30,046.08 = 7,556.48 : x
  2. Step 2: Convert to fraction form
    20,036.96/30,046.08 = 7,556.48/x
  3. Step 3: Cross multiply
    20,036.96x = 30,046.08 × 7,556.48
  4. Step 4: Simplify right side
    20,036.96x = 227,042,602.60
  5. Step 5: Solve for x
    x = 227,042,602.60/20,036.96
  6. Step 6: Final answer
    x = 11,331.19

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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.