Home / 33,142.19-45,728.64-18,798.60

Finding the Fourth Proportional to 33,142.19, 45,728.64 and 18,798.60

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Solution

The fourth proportional to 33,142.19, 45,728.64 and 18,798.60 is: 25,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,142.19 : 45,728.64 = 18,798.60 : x
  2. Step 2: Convert to fraction form
    33,142.19/45,728.64 = 18,798.60/x
  3. Step 3: Cross multiply
    33,142.19x = 45,728.64 × 18,798.60
  4. Step 4: Simplify right side
    33,142.19x = 859,634,183.26
  5. Step 5: Solve for x
    x = 859,634,183.26/33,142.19
  6. Step 6: Final answer
    x = 25,937.76

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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.