Home / 17,985.63-26,982.09-6,892.68

Finding the Fourth Proportional to 17,985.63, 26,982.09 and 6,892.68

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Solution

The fourth proportional to 17,985.63, 26,982.09 and 6,892.68 is: 10,340.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.63 : 26,982.09 = 6,892.68 : x
  2. Step 2: Convert to fraction form
    17,985.63/26,982.09 = 6,892.68/x
  3. Step 3: Cross multiply
    17,985.63x = 26,982.09 × 6,892.68
  4. Step 4: Simplify right side
    17,985.63x = 185,978,912.10
  5. Step 5: Solve for x
    x = 185,978,912.10/17,985.63
  6. Step 6: Final answer
    x = 10,340.42

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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.