Home / 26,769.15-40,137.53-11,975.31

Finding the Fourth Proportional to 26,769.15, 40,137.53 and 11,975.31

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Solution

The fourth proportional to 26,769.15, 40,137.53 and 11,975.31 is: 17,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.15 : 40,137.53 = 11,975.31 : x
  2. Step 2: Convert to fraction form
    26,769.15/40,137.53 = 11,975.31/x
  3. Step 3: Cross multiply
    26,769.15x = 40,137.53 × 11,975.31
  4. Step 4: Simplify right side
    26,769.15x = 480,659,304.51
  5. Step 5: Solve for x
    x = 480,659,304.51/26,769.15
  6. Step 6: Final answer
    x = 17,955.72

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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.