Home / 19,328.04-28,998.96-11,923.89

Finding the Fourth Proportional to 19,328.04, 28,998.96 and 11,923.89

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Solution

The fourth proportional to 19,328.04, 28,998.96 and 11,923.89 is: 17,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.04 : 28,998.96 = 11,923.89 : x
  2. Step 2: Convert to fraction form
    19,328.04/28,998.96 = 11,923.89/x
  3. Step 3: Cross multiply
    19,328.04x = 28,998.96 × 11,923.89
  4. Step 4: Simplify right side
    19,328.04x = 345,780,409.15
  5. Step 5: Solve for x
    x = 345,780,409.15/19,328.04
  6. Step 6: Final answer
    x = 17,890.09

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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.