Home / 19,483.54-29,204.79-8,387.62

Finding the Fourth Proportional to 19,483.54, 29,204.79 and 8,387.62

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Solution

The fourth proportional to 19,483.54, 29,204.79 and 8,387.62 is: 12,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.54 : 29,204.79 = 8,387.62 : x
  2. Step 2: Convert to fraction form
    19,483.54/29,204.79 = 8,387.62/x
  3. Step 3: Cross multiply
    19,483.54x = 29,204.79 × 8,387.62
  4. Step 4: Simplify right side
    19,483.54x = 244,958,680.70
  5. Step 5: Solve for x
    x = 244,958,680.70/19,483.54
  6. Step 6: Final answer
    x = 12,572.60

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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.