Home / 17,766.86-26,664.23-12,395.11

Finding the Fourth Proportional to 17,766.86, 26,664.23 and 12,395.11

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Solution

The fourth proportional to 17,766.86, 26,664.23 and 12,395.11 is: 18,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,766.86 : 26,664.23 = 12,395.11 : x
  2. Step 2: Convert to fraction form
    17,766.86/26,664.23 = 12,395.11/x
  3. Step 3: Cross multiply
    17,766.86x = 26,664.23 × 12,395.11
  4. Step 4: Simplify right side
    17,766.86x = 330,505,991.08
  5. Step 5: Solve for x
    x = 330,505,991.08/17,766.86
  6. Step 6: Final answer
    x = 18,602.38

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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.