Home / 19,042.79-28,571.03-8,511.93

Finding the Fourth Proportional to 19,042.79, 28,571.03 and 8,511.93

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Solution

The fourth proportional to 19,042.79, 28,571.03 and 8,511.93 is: 12,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.79 : 28,571.03 = 8,511.93 : x
  2. Step 2: Convert to fraction form
    19,042.79/28,571.03 = 8,511.93/x
  3. Step 3: Cross multiply
    19,042.79x = 28,571.03 × 8,511.93
  4. Step 4: Simplify right side
    19,042.79x = 243,194,564.83
  5. Step 5: Solve for x
    x = 243,194,564.83/19,042.79
  6. Step 6: Final answer
    x = 12,770.96

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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.