Home / 20,855.35-31,286.07-6,062.34

Finding the Fourth Proportional to 20,855.35, 31,286.07 and 6,062.34

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Solution

The fourth proportional to 20,855.35, 31,286.07 and 6,062.34 is: 9,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855.35 : 31,286.07 = 6,062.34 : x
  2. Step 2: Convert to fraction form
    20,855.35/31,286.07 = 6,062.34/x
  3. Step 3: Cross multiply
    20,855.35x = 31,286.07 × 6,062.34
  4. Step 4: Simplify right side
    20,855.35x = 189,666,778.45
  5. Step 5: Solve for x
    x = 189,666,778.45/20,855.35
  6. Step 6: Final answer
    x = 9,094.40

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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.