Home / 20,924.49-31,383.26-6,884.69

Finding the Fourth Proportional to 20,924.49, 31,383.26 and 6,884.69

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Solution

The fourth proportional to 20,924.49, 31,383.26 and 6,884.69 is: 10,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.49 : 31,383.26 = 6,884.69 : x
  2. Step 2: Convert to fraction form
    20,924.49/31,383.26 = 6,884.69/x
  3. Step 3: Cross multiply
    20,924.49x = 31,383.26 × 6,884.69
  4. Step 4: Simplify right side
    20,924.49x = 216,063,977.76
  5. Step 5: Solve for x
    x = 216,063,977.76/20,924.49
  6. Step 6: Final answer
    x = 10,325.89

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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.