Home / 18,708.25-28,076.65-6,873.24

Finding the Fourth Proportional to 18,708.25, 28,076.65 and 6,873.24

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Solution

The fourth proportional to 18,708.25, 28,076.65 and 6,873.24 is: 10,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.25 : 28,076.65 = 6,873.24 : x
  2. Step 2: Convert to fraction form
    18,708.25/28,076.65 = 6,873.24/x
  3. Step 3: Cross multiply
    18,708.25x = 28,076.65 × 6,873.24
  4. Step 4: Simplify right side
    18,708.25x = 192,977,503.35
  5. Step 5: Solve for x
    x = 192,977,503.35/18,708.25
  6. Step 6: Final answer
    x = 10,315.10

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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.