Home / 20,200.05-27,873.36-11,246.36

Finding the Fourth Proportional to 20,200.05, 27,873.36 and 11,246.36

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Solution

The fourth proportional to 20,200.05, 27,873.36 and 11,246.36 is: 15,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.05 : 27,873.36 = 11,246.36 : x
  2. Step 2: Convert to fraction form
    20,200.05/27,873.36 = 11,246.36/x
  3. Step 3: Cross multiply
    20,200.05x = 27,873.36 × 11,246.36
  4. Step 4: Simplify right side
    20,200.05x = 313,473,701.60
  5. Step 5: Solve for x
    x = 313,473,701.60/20,200.05
  6. Step 6: Final answer
    x = 15,518.46

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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.