Home / 23,185.24-34,820.78-12,099.56

Finding the Fourth Proportional to 23,185.24, 34,820.78 and 12,099.56

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Solution

The fourth proportional to 23,185.24, 34,820.78 and 12,099.56 is: 18,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.24 : 34,820.78 = 12,099.56 : x
  2. Step 2: Convert to fraction form
    23,185.24/34,820.78 = 12,099.56/x
  3. Step 3: Cross multiply
    23,185.24x = 34,820.78 × 12,099.56
  4. Step 4: Simplify right side
    23,185.24x = 421,316,116.86
  5. Step 5: Solve for x
    x = 421,316,116.86/23,185.24
  6. Step 6: Final answer
    x = 18,171.74

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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.