Home / 19,013.89-28,511.31-5,864.55

Finding the Fourth Proportional to 19,013.89, 28,511.31 and 5,864.55

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Solution

The fourth proportional to 19,013.89, 28,511.31 and 5,864.55 is: 8,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.89 : 28,511.31 = 5,864.55 : x
  2. Step 2: Convert to fraction form
    19,013.89/28,511.31 = 5,864.55/x
  3. Step 3: Cross multiply
    19,013.89x = 28,511.31 × 5,864.55
  4. Step 4: Simplify right side
    19,013.89x = 167,206,003.06
  5. Step 5: Solve for x
    x = 167,206,003.06/19,013.89
  6. Step 6: Final answer
    x = 8,793.89

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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.