Home / 19,982.02-27,575.60-11,029.50

Finding the Fourth Proportional to 19,982.02, 27,575.60 and 11,029.50

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Solution

The fourth proportional to 19,982.02, 27,575.60 and 11,029.50 is: 15,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.02 : 27,575.60 = 11,029.50 : x
  2. Step 2: Convert to fraction form
    19,982.02/27,575.60 = 11,029.50/x
  3. Step 3: Cross multiply
    19,982.02x = 27,575.60 × 11,029.50
  4. Step 4: Simplify right side
    19,982.02x = 304,145,080.20
  5. Step 5: Solve for x
    x = 304,145,080.20/19,982.02
  6. Step 6: Final answer
    x = 15,220.94

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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.