Home / 33,126.02-45,720.14-18,978.83

Finding the Fourth Proportional to 33,126.02, 45,720.14 and 18,978.83

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Solution

The fourth proportional to 33,126.02, 45,720.14 and 18,978.83 is: 26,194.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,126.02 : 45,720.14 = 18,978.83 : x
  2. Step 2: Convert to fraction form
    33,126.02/45,720.14 = 18,978.83/x
  3. Step 3: Cross multiply
    33,126.02x = 45,720.14 × 18,978.83
  4. Step 4: Simplify right side
    33,126.02x = 867,714,764.64
  5. Step 5: Solve for x
    x = 867,714,764.64/33,126.02
  6. Step 6: Final answer
    x = 26,194.36

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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.