Home / 14,322.12-21,489.30-7,752.96

Finding the Fourth Proportional to 14,322.12, 21,489.30 and 7,752.96

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Solution

The fourth proportional to 14,322.12, 21,489.30 and 7,752.96 is: 11,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.12 : 21,489.30 = 7,752.96 : x
  2. Step 2: Convert to fraction form
    14,322.12/21,489.30 = 7,752.96/x
  3. Step 3: Cross multiply
    14,322.12x = 21,489.30 × 7,752.96
  4. Step 4: Simplify right side
    14,322.12x = 166,605,683.33
  5. Step 5: Solve for x
    x = 166,605,683.33/14,322.12
  6. Step 6: Final answer
    x = 11,632.75

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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.