Home / 14,231.06-21,346.56-4,871.16

Finding the Fourth Proportional to 14,231.06, 21,346.56 and 4,871.16

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Solution

The fourth proportional to 14,231.06, 21,346.56 and 4,871.16 is: 7,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.06 : 21,346.56 = 4,871.16 : x
  2. Step 2: Convert to fraction form
    14,231.06/21,346.56 = 4,871.16/x
  3. Step 3: Cross multiply
    14,231.06x = 21,346.56 × 4,871.16
  4. Step 4: Simplify right side
    14,231.06x = 103,982,509.21
  5. Step 5: Solve for x
    x = 103,982,509.21/14,231.06
  6. Step 6: Final answer
    x = 7,306.73

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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.