Home / 19,059.12-28,596.87-9,205.79

Finding the Fourth Proportional to 19,059.12, 28,596.87 and 9,205.79

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Solution

The fourth proportional to 19,059.12, 28,596.87 and 9,205.79 is: 13,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.12 : 28,596.87 = 9,205.79 : x
  2. Step 2: Convert to fraction form
    19,059.12/28,596.87 = 9,205.79/x
  3. Step 3: Cross multiply
    19,059.12x = 28,596.87 × 9,205.79
  4. Step 4: Simplify right side
    19,059.12x = 263,256,636.89
  5. Step 5: Solve for x
    x = 263,256,636.89/19,059.12
  6. Step 6: Final answer
    x = 13,812.63

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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.