Home / 26,815.51-40,212.46-8,089.75

Finding the Fourth Proportional to 26,815.51, 40,212.46 and 8,089.75

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Solution

The fourth proportional to 26,815.51, 40,212.46 and 8,089.75 is: 12,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.51 : 40,212.46 = 8,089.75 : x
  2. Step 2: Convert to fraction form
    26,815.51/40,212.46 = 8,089.75/x
  3. Step 3: Cross multiply
    26,815.51x = 40,212.46 × 8,089.75
  4. Step 4: Simplify right side
    26,815.51x = 325,308,748.29
  5. Step 5: Solve for x
    x = 325,308,748.29/26,815.51
  6. Step 6: Final answer
    x = 12,131.37

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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.