Home / 14,218.06-21,330.21-4,358.08

Finding the Fourth Proportional to 14,218.06, 21,330.21 and 4,358.08

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Solution

The fourth proportional to 14,218.06, 21,330.21 and 4,358.08 is: 6,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.06 : 21,330.21 = 4,358.08 : x
  2. Step 2: Convert to fraction form
    14,218.06/21,330.21 = 4,358.08/x
  3. Step 3: Cross multiply
    14,218.06x = 21,330.21 × 4,358.08
  4. Step 4: Simplify right side
    14,218.06x = 92,958,761.60
  5. Step 5: Solve for x
    x = 92,958,761.60/14,218.06
  6. Step 6: Final answer
    x = 6,538.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.