Home / 18,576.50-27,862.51-4,725.62

Finding the Fourth Proportional to 18,576.50, 27,862.51 and 4,725.62

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Solution

The fourth proportional to 18,576.50, 27,862.51 and 4,725.62 is: 7,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.50 : 27,862.51 = 4,725.62 : x
  2. Step 2: Convert to fraction form
    18,576.50/27,862.51 = 4,725.62/x
  3. Step 3: Cross multiply
    18,576.50x = 27,862.51 × 4,725.62
  4. Step 4: Simplify right side
    18,576.50x = 131,667,634.51
  5. Step 5: Solve for x
    x = 131,667,634.51/18,576.50
  6. Step 6: Final answer
    x = 7,087.86

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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.