Home / 20,698.39-31,050.69-9,606.22

Finding the Fourth Proportional to 20,698.39, 31,050.69 and 9,606.22

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Solution

The fourth proportional to 20,698.39, 31,050.69 and 9,606.22 is: 14,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.39 : 31,050.69 = 9,606.22 : x
  2. Step 2: Convert to fraction form
    20,698.39/31,050.69 = 9,606.22/x
  3. Step 3: Cross multiply
    20,698.39x = 31,050.69 × 9,606.22
  4. Step 4: Simplify right side
    20,698.39x = 298,279,604.04
  5. Step 5: Solve for x
    x = 298,279,604.04/20,698.39
  6. Step 6: Final answer
    x = 14,410.76

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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.