Home / 18,645.14-27,967.94-6,646.83

Finding the Fourth Proportional to 18,645.14, 27,967.94 and 6,646.83

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Solution

The fourth proportional to 18,645.14, 27,967.94 and 6,646.83 is: 9,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.14 : 27,967.94 = 6,646.83 : x
  2. Step 2: Convert to fraction form
    18,645.14/27,967.94 = 6,646.83/x
  3. Step 3: Cross multiply
    18,645.14x = 27,967.94 × 6,646.83
  4. Step 4: Simplify right side
    18,645.14x = 185,898,109.40
  5. Step 5: Solve for x
    x = 185,898,109.40/18,645.14
  6. Step 6: Final answer
    x = 9,970.33

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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.