Home / 55,274.40-82,912.32-15,832.80

Finding the Fourth Proportional to 55,274.40, 82,912.32 and 15,832.80

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Solution

The fourth proportional to 55,274.40, 82,912.32 and 15,832.80 is: 23,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274.40 : 82,912.32 = 15,832.80 : x
  2. Step 2: Convert to fraction form
    55,274.40/82,912.32 = 15,832.80/x
  3. Step 3: Cross multiply
    55,274.40x = 82,912.32 × 15,832.80
  4. Step 4: Simplify right side
    55,274.40x = 1,312,734,180.10
  5. Step 5: Solve for x
    x = 1,312,734,180.10/55,274.40
  6. Step 6: Final answer
    x = 23,749.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.