Home / 14,341.10-21,511.65-3,811.10

Finding the Fourth Proportional to 14,341.10, 21,511.65 and 3,811.10

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Solution

The fourth proportional to 14,341.10, 21,511.65 and 3,811.10 is: 5,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.10 : 21,511.65 = 3,811.10 : x
  2. Step 2: Convert to fraction form
    14,341.10/21,511.65 = 3,811.10/x
  3. Step 3: Cross multiply
    14,341.10x = 21,511.65 × 3,811.10
  4. Step 4: Simplify right side
    14,341.10x = 81,983,049.32
  5. Step 5: Solve for x
    x = 81,983,049.32/14,341.10
  6. Step 6: Final answer
    x = 5,716.65

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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.