Home / 13,033.65-19,550.20-3,172.98

Finding the Fourth Proportional to 13,033.65, 19,550.20 and 3,172.98

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Solution

The fourth proportional to 13,033.65, 19,550.20 and 3,172.98 is: 4,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.65 : 19,550.20 = 3,172.98 : x
  2. Step 2: Convert to fraction form
    13,033.65/19,550.20 = 3,172.98/x
  3. Step 3: Cross multiply
    13,033.65x = 19,550.20 × 3,172.98
  4. Step 4: Simplify right side
    13,033.65x = 62,032,393.60
  5. Step 5: Solve for x
    x = 62,032,393.60/13,033.65
  6. Step 6: Final answer
    x = 4,759.40

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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.