Home / 19,013.50-28,380.99-16,769.01

Finding the Fourth Proportional to 19,013.50, 28,380.99 and 16,769.01

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Solution

The fourth proportional to 19,013.50, 28,380.99 and 16,769.01 is: 25,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.50 : 28,380.99 = 16,769.01 : x
  2. Step 2: Convert to fraction form
    19,013.50/28,380.99 = 16,769.01/x
  3. Step 3: Cross multiply
    19,013.50x = 28,380.99 × 16,769.01
  4. Step 4: Simplify right side
    19,013.50x = 475,921,021.27
  5. Step 5: Solve for x
    x = 475,921,021.27/19,013.50
  6. Step 6: Final answer
    x = 25,030.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.