Home / 25,379.37-38,075.65-7,609.32

Finding the Fourth Proportional to 25,379.37, 38,075.65 and 7,609.32

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Solution

The fourth proportional to 25,379.37, 38,075.65 and 7,609.32 is: 11,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.37 : 38,075.65 = 7,609.32 : x
  2. Step 2: Convert to fraction form
    25,379.37/38,075.65 = 7,609.32/x
  3. Step 3: Cross multiply
    25,379.37x = 38,075.65 × 7,609.32
  4. Step 4: Simplify right side
    25,379.37x = 289,729,614.68
  5. Step 5: Solve for x
    x = 289,729,614.68/25,379.37
  6. Step 6: Final answer
    x = 11,415.95

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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.