Home / 28,566.05-42,849.14-9,846.54

Finding the Fourth Proportional to 28,566.05, 42,849.14 and 9,846.54

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Solution

The fourth proportional to 28,566.05, 42,849.14 and 9,846.54 is: 14,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566.05 : 42,849.14 = 9,846.54 : x
  2. Step 2: Convert to fraction form
    28,566.05/42,849.14 = 9,846.54/x
  3. Step 3: Cross multiply
    28,566.05x = 42,849.14 × 9,846.54
  4. Step 4: Simplify right side
    28,566.05x = 421,915,721.74
  5. Step 5: Solve for x
    x = 421,915,721.74/28,566.05
  6. Step 6: Final answer
    x = 14,769.83

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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.