Home / 14,114.86-21,172.46-9,731.14

Finding the Fourth Proportional to 14,114.86, 21,172.46 and 9,731.14

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Solution

The fourth proportional to 14,114.86, 21,172.46 and 9,731.14 is: 14,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.86 : 21,172.46 = 9,731.14 : x
  2. Step 2: Convert to fraction form
    14,114.86/21,172.46 = 9,731.14/x
  3. Step 3: Cross multiply
    14,114.86x = 21,172.46 × 9,731.14
  4. Step 4: Simplify right side
    14,114.86x = 206,032,172.40
  5. Step 5: Solve for x
    x = 206,032,172.40/14,114.86
  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.