Home / 19,021.98-28,532.76-5,872.86

Finding the Fourth Proportional to 19,021.98, 28,532.76 and 5,872.86

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Solution

The fourth proportional to 19,021.98, 28,532.76 and 5,872.86 is: 8,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.98 : 28,532.76 = 5,872.86 : x
  2. Step 2: Convert to fraction form
    19,021.98/28,532.76 = 5,872.86/x
  3. Step 3: Cross multiply
    19,021.98x = 28,532.76 × 5,872.86
  4. Step 4: Simplify right side
    19,021.98x = 167,568,904.89
  5. Step 5: Solve for x
    x = 167,568,904.89/19,021.98
  6. Step 6: Final answer
    x = 8,809.23

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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.