Home / 15,611.86-23,416.27-8,589.57

Finding the Fourth Proportional to 15,611.86, 23,416.27 and 8,589.57

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Solution

The fourth proportional to 15,611.86, 23,416.27 and 8,589.57 is: 12,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.86 : 23,416.27 = 8,589.57 : x
  2. Step 2: Convert to fraction form
    15,611.86/23,416.27 = 8,589.57/x
  3. Step 3: Cross multiply
    15,611.86x = 23,416.27 × 8,589.57
  4. Step 4: Simplify right side
    15,611.86x = 201,135,629.34
  5. Step 5: Solve for x
    x = 201,135,629.34/15,611.86
  6. Step 6: Final answer
    x = 12,883.51

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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.