Home / 25,185.64-37,745.60-10,379.64

Finding the Fourth Proportional to 25,185.64, 37,745.60 and 10,379.64

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Solution

The fourth proportional to 25,185.64, 37,745.60 and 10,379.64 is: 15,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185.64 : 37,745.60 = 10,379.64 : x
  2. Step 2: Convert to fraction form
    25,185.64/37,745.60 = 10,379.64/x
  3. Step 3: Cross multiply
    25,185.64x = 37,745.60 × 10,379.64
  4. Step 4: Simplify right side
    25,185.64x = 391,785,739.58
  5. Step 5: Solve for x
    x = 391,785,739.58/25,185.64
  6. Step 6: Final answer
    x = 15,555.92

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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.