Home / 13,033.47-19,549.92-3,172.80

Finding the Fourth Proportional to 13,033.47, 19,549.92 and 3,172.80

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Solution

The fourth proportional to 13,033.47, 19,549.92 and 3,172.80 is: 4,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.47 : 19,549.92 = 3,172.80 : x
  2. Step 2: Convert to fraction form
    13,033.47/19,549.92 = 3,172.80/x
  3. Step 3: Cross multiply
    13,033.47x = 19,549.92 × 3,172.80
  4. Step 4: Simplify right side
    13,033.47x = 62,027,986.18
  5. Step 5: Solve for x
    x = 62,027,986.18/13,033.47
  6. Step 6: Final answer
    x = 4,759.13

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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.