Home / 14,172.21-21,260.59-4,811.24

Finding the Fourth Proportional to 14,172.21, 21,260.59 and 4,811.24

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Solution

The fourth proportional to 14,172.21, 21,260.59 and 4,811.24 is: 7,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.21 : 21,260.59 = 4,811.24 : x
  2. Step 2: Convert to fraction form
    14,172.21/21,260.59 = 4,811.24/x
  3. Step 3: Cross multiply
    14,172.21x = 21,260.59 × 4,811.24
  4. Step 4: Simplify right side
    14,172.21x = 102,289,809.42
  5. Step 5: Solve for x
    x = 102,289,809.42/14,172.21
  6. Step 6: Final answer
    x = 7,217.63

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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.