Home / 26,357.37-39,540.86-12,506.25

Finding the Fourth Proportional to 26,357.37, 39,540.86 and 12,506.25

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Solution

The fourth proportional to 26,357.37, 39,540.86 and 12,506.25 is: 18,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,357.37 : 39,540.86 = 12,506.25 : x
  2. Step 2: Convert to fraction form
    26,357.37/39,540.86 = 12,506.25/x
  3. Step 3: Cross multiply
    26,357.37x = 39,540.86 × 12,506.25
  4. Step 4: Simplify right side
    26,357.37x = 494,507,880.38
  5. Step 5: Solve for x
    x = 494,507,880.38/26,357.37
  6. Step 6: Final answer
    x = 18,761.65

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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.