Home / 19,324.50-28,986.75-4,732.50

Finding the Fourth Proportional to 19,324.50, 28,986.75 and 4,732.50

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Solution

The fourth proportional to 19,324.50, 28,986.75 and 4,732.50 is: 7,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.50 : 28,986.75 = 4,732.50 : x
  2. Step 2: Convert to fraction form
    19,324.50/28,986.75 = 4,732.50/x
  3. Step 3: Cross multiply
    19,324.50x = 28,986.75 × 4,732.50
  4. Step 4: Simplify right side
    19,324.50x = 137,179,794.38
  5. Step 5: Solve for x
    x = 137,179,794.38/19,324.50
  6. Step 6: Final answer
    x = 7,098.75

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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.