Home / 19,024.80-28,537.20-4,984.80

Finding the Fourth Proportional to 19,024.80, 28,537.20 and 4,984.80

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Solution

The fourth proportional to 19,024.80, 28,537.20 and 4,984.80 is: 7,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,024.80 : 28,537.20 = 4,984.80 : x
  2. Step 2: Convert to fraction form
    19,024.80/28,537.20 = 4,984.80/x
  3. Step 3: Cross multiply
    19,024.80x = 28,537.20 × 4,984.80
  4. Step 4: Simplify right side
    19,024.80x = 142,252,234.56
  5. Step 5: Solve for x
    x = 142,252,234.56/19,024.80
  6. Step 6: Final answer
    x = 7,477.20

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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.