Home / 14,114.85-21,172.47-9,731.13

Finding the Fourth Proportional to 14,114.85, 21,172.47 and 9,731.13

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Solution

The fourth proportional to 14,114.85, 21,172.47 and 9,731.13 is: 14,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.85 : 21,172.47 = 9,731.13 : x
  2. Step 2: Convert to fraction form
    14,114.85/21,172.47 = 9,731.13/x
  3. Step 3: Cross multiply
    14,114.85x = 21,172.47 × 9,731.13
  4. Step 4: Simplify right side
    14,114.85x = 206,032,057.99
  5. Step 5: Solve for x
    x = 206,032,057.99/14,114.85
  6. Step 6: Final answer
    x = 14,596.83

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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.