Home / 18,975.64-28,463.48-5,826.28

Finding the Fourth Proportional to 18,975.64, 28,463.48 and 5,826.28

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Solution

The fourth proportional to 18,975.64, 28,463.48 and 5,826.28 is: 8,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.64 : 28,463.48 = 5,826.28 : x
  2. Step 2: Convert to fraction form
    18,975.64/28,463.48 = 5,826.28/x
  3. Step 3: Cross multiply
    18,975.64x = 28,463.48 × 5,826.28
  4. Step 4: Simplify right side
    18,975.64x = 165,836,204.25
  5. Step 5: Solve for x
    x = 165,836,204.25/18,975.64
  6. Step 6: Final answer
    x = 8,739.43

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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.