Home / 14,621.99-21,930.68-4,761.18

Finding the Fourth Proportional to 14,621.99, 21,930.68 and 4,761.18

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Solution

The fourth proportional to 14,621.99, 21,930.68 and 4,761.18 is: 7,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.99 : 21,930.68 = 4,761.18 : x
  2. Step 2: Convert to fraction form
    14,621.99/21,930.68 = 4,761.18/x
  3. Step 3: Cross multiply
    14,621.99x = 21,930.68 × 4,761.18
  4. Step 4: Simplify right side
    14,621.99x = 104,415,926.91
  5. Step 5: Solve for x
    x = 104,415,926.91/14,621.99
  6. Step 6: Final answer
    x = 7,141.02

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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.