Home / 14,172.89-21,243.78-5,848.61

Finding the Fourth Proportional to 14,172.89, 21,243.78 and 5,848.61

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Solution

The fourth proportional to 14,172.89, 21,243.78 and 5,848.61 is: 8,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.89 : 21,243.78 = 5,848.61 : x
  2. Step 2: Convert to fraction form
    14,172.89/21,243.78 = 5,848.61/x
  3. Step 3: Cross multiply
    14,172.89x = 21,243.78 × 5,848.61
  4. Step 4: Simplify right side
    14,172.89x = 124,246,477.93
  5. Step 5: Solve for x
    x = 124,246,477.93/14,172.89
  6. Step 6: Final answer
    x = 8,766.49

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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.