Home / 19,300.73-28,957.25-8,625.44

Finding the Fourth Proportional to 19,300.73, 28,957.25 and 8,625.44

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Solution

The fourth proportional to 19,300.73, 28,957.25 and 8,625.44 is: 12,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.73 : 28,957.25 = 8,625.44 : x
  2. Step 2: Convert to fraction form
    19,300.73/28,957.25 = 8,625.44/x
  3. Step 3: Cross multiply
    19,300.73x = 28,957.25 × 8,625.44
  4. Step 4: Simplify right side
    19,300.73x = 249,768,904.99
  5. Step 5: Solve for x
    x = 249,768,904.99/19,300.73
  6. Step 6: Final answer
    x = 12,940.90

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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.