Home / 20,410.32-30,606.23-7,263.03

Finding the Fourth Proportional to 20,410.32, 30,606.23 and 7,263.03

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Solution

The fourth proportional to 20,410.32, 30,606.23 and 7,263.03 is: 10,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.32 : 30,606.23 = 7,263.03 : x
  2. Step 2: Convert to fraction form
    20,410.32/30,606.23 = 7,263.03/x
  3. Step 3: Cross multiply
    20,410.32x = 30,606.23 × 7,263.03
  4. Step 4: Simplify right side
    20,410.32x = 222,293,930.36
  5. Step 5: Solve for x
    x = 222,293,930.36/20,410.32
  6. Step 6: Final answer
    x = 10,891.25

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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.