Home / 18,873.48-28,310.28-5,725.96

Finding the Fourth Proportional to 18,873.48, 28,310.28 and 5,725.96

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Solution

The fourth proportional to 18,873.48, 28,310.28 and 5,725.96 is: 8,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.48 : 28,310.28 = 5,725.96 : x
  2. Step 2: Convert to fraction form
    18,873.48/28,310.28 = 5,725.96/x
  3. Step 3: Cross multiply
    18,873.48x = 28,310.28 × 5,725.96
  4. Step 4: Simplify right side
    18,873.48x = 162,103,530.87
  5. Step 5: Solve for x
    x = 162,103,530.87/18,873.48
  6. Step 6: Final answer
    x = 8,588.96

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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.