Home / 15,740.88-23,611.37-6,381.06

Finding the Fourth Proportional to 15,740.88, 23,611.37 and 6,381.06

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Solution

The fourth proportional to 15,740.88, 23,611.37 and 6,381.06 is: 9,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.88 : 23,611.37 = 6,381.06 : x
  2. Step 2: Convert to fraction form
    15,740.88/23,611.37 = 6,381.06/x
  3. Step 3: Cross multiply
    15,740.88x = 23,611.37 × 6,381.06
  4. Step 4: Simplify right side
    15,740.88x = 150,665,536.75
  5. Step 5: Solve for x
    x = 150,665,536.75/15,740.88
  6. Step 6: Final answer
    x = 9,571.61

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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.