Home / 13,982.02-19,295.22-7,694.80

Finding the Fourth Proportional to 13,982.02, 19,295.22 and 7,694.80

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Solution

The fourth proportional to 13,982.02, 19,295.22 and 7,694.80 is: 10,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.02 : 19,295.22 = 7,694.80 : x
  2. Step 2: Convert to fraction form
    13,982.02/19,295.22 = 7,694.80/x
  3. Step 3: Cross multiply
    13,982.02x = 19,295.22 × 7,694.80
  4. Step 4: Simplify right side
    13,982.02x = 148,472,858.86
  5. Step 5: Solve for x
    x = 148,472,858.86/13,982.02
  6. Step 6: Final answer
    x = 10,618.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.