Home / 15,633.75-23,450.59-12,081.05

Finding the Fourth Proportional to 15,633.75, 23,450.59 and 12,081.05

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Solution

The fourth proportional to 15,633.75, 23,450.59 and 12,081.05 is: 18,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.75 : 23,450.59 = 12,081.05 : x
  2. Step 2: Convert to fraction form
    15,633.75/23,450.59 = 12,081.05/x
  3. Step 3: Cross multiply
    15,633.75x = 23,450.59 × 12,081.05
  4. Step 4: Simplify right side
    15,633.75x = 283,307,736.11
  5. Step 5: Solve for x
    x = 283,307,736.11/15,633.75
  6. Step 6: Final answer
    x = 18,121.54

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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.