Home / 14,341.92-21,516.48-5,579.36

Finding the Fourth Proportional to 14,341.92, 21,516.48 and 5,579.36

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Solution

The fourth proportional to 14,341.92, 21,516.48 and 5,579.36 is: 8,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.92 : 21,516.48 = 5,579.36 : x
  2. Step 2: Convert to fraction form
    14,341.92/21,516.48 = 5,579.36/x
  3. Step 3: Cross multiply
    14,341.92x = 21,516.48 × 5,579.36
  4. Step 4: Simplify right side
    14,341.92x = 120,048,187.85
  5. Step 5: Solve for x
    x = 120,048,187.85/14,341.92
  6. Step 6: Final answer
    x = 8,370.44

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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.