Home / 38,263.35-57,395.04-11,968.20

Finding the Fourth Proportional to 38,263.35, 57,395.04 and 11,968.20

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Solution

The fourth proportional to 38,263.35, 57,395.04 and 11,968.20 is: 17,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,263.35 : 57,395.04 = 11,968.20 : x
  2. Step 2: Convert to fraction form
    38,263.35/57,395.04 = 11,968.20/x
  3. Step 3: Cross multiply
    38,263.35x = 57,395.04 × 11,968.20
  4. Step 4: Simplify right side
    38,263.35x = 686,915,317.73
  5. Step 5: Solve for x
    x = 686,915,317.73/38,263.35
  6. Step 6: Final answer
    x = 17,952.30

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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.