Home / 15,999.93-22,090.22-10,962.54

Finding the Fourth Proportional to 15,999.93, 22,090.22 and 10,962.54

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Solution

The fourth proportional to 15,999.93, 22,090.22 and 10,962.54 is: 15,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.93 : 22,090.22 = 10,962.54 : x
  2. Step 2: Convert to fraction form
    15,999.93/22,090.22 = 10,962.54/x
  3. Step 3: Cross multiply
    15,999.93x = 22,090.22 × 10,962.54
  4. Step 4: Simplify right side
    15,999.93x = 242,164,906.66
  5. Step 5: Solve for x
    x = 242,164,906.66/15,999.93
  6. Step 6: Final answer
    x = 15,135.37

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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.