Home / 14,328.24-21,492.48-3,940.56

Finding the Fourth Proportional to 14,328.24, 21,492.48 and 3,940.56

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Solution

The fourth proportional to 14,328.24, 21,492.48 and 3,940.56 is: 5,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.24 : 21,492.48 = 3,940.56 : x
  2. Step 2: Convert to fraction form
    14,328.24/21,492.48 = 3,940.56/x
  3. Step 3: Cross multiply
    14,328.24x = 21,492.48 × 3,940.56
  4. Step 4: Simplify right side
    14,328.24x = 84,692,406.99
  5. Step 5: Solve for x
    x = 84,692,406.99/14,328.24
  6. Step 6: Final answer
    x = 5,910.87

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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.