Home / 14,985.05-22,471.72-5,619.94

Finding the Fourth Proportional to 14,985.05, 22,471.72 and 5,619.94

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Solution

The fourth proportional to 14,985.05, 22,471.72 and 5,619.94 is: 8,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.05 : 22,471.72 = 5,619.94 : x
  2. Step 2: Convert to fraction form
    14,985.05/22,471.72 = 5,619.94/x
  3. Step 3: Cross multiply
    14,985.05x = 22,471.72 × 5,619.94
  4. Step 4: Simplify right side
    14,985.05x = 126,289,647.87
  5. Step 5: Solve for x
    x = 126,289,647.87/14,985.05
  6. Step 6: Final answer
    x = 8,427.71

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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.