Home / 25,645.21-38,464.67-6,923.81

Finding the Fourth Proportional to 25,645.21, 38,464.67 and 6,923.81

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Solution

The fourth proportional to 25,645.21, 38,464.67 and 6,923.81 is: 10,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.21 : 38,464.67 = 6,923.81 : x
  2. Step 2: Convert to fraction form
    25,645.21/38,464.67 = 6,923.81/x
  3. Step 3: Cross multiply
    25,645.21x = 38,464.67 × 6,923.81
  4. Step 4: Simplify right side
    25,645.21x = 266,322,180.26
  5. Step 5: Solve for x
    x = 266,322,180.26/25,645.21
  6. Step 6: Final answer
    x = 10,384.87

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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.