Home / 25,208.12-37,813.23-7,438.78

Finding the Fourth Proportional to 25,208.12, 37,813.23 and 7,438.78

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Solution

The fourth proportional to 25,208.12, 37,813.23 and 7,438.78 is: 11,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208.12 : 37,813.23 = 7,438.78 : x
  2. Step 2: Convert to fraction form
    25,208.12/37,813.23 = 7,438.78/x
  3. Step 3: Cross multiply
    25,208.12x = 37,813.23 × 7,438.78
  4. Step 4: Simplify right side
    25,208.12x = 281,284,261.87
  5. Step 5: Solve for x
    x = 281,284,261.87/25,208.12
  6. Step 6: Final answer
    x = 11,158.48

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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.