Home / 19,095.70-28,661.67-7,999.30

Finding the Fourth Proportional to 19,095.70, 28,661.67 and 7,999.30

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Solution

The fourth proportional to 19,095.70, 28,661.67 and 7,999.30 is: 12,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.70 : 28,661.67 = 7,999.30 : x
  2. Step 2: Convert to fraction form
    19,095.70/28,661.67 = 7,999.30/x
  3. Step 3: Cross multiply
    19,095.70x = 28,661.67 × 7,999.30
  4. Step 4: Simplify right side
    19,095.70x = 229,273,296.83
  5. Step 5: Solve for x
    x = 229,273,296.83/19,095.70
  6. Step 6: Final answer
    x = 12,006.54

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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.