Home / 14,089.08-21,113.94-11,998.20

Finding the Fourth Proportional to 14,089.08, 21,113.94 and 11,998.20

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Solution

The fourth proportional to 14,089.08, 21,113.94 and 11,998.20 is: 17,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.08 : 21,113.94 = 11,998.20 : x
  2. Step 2: Convert to fraction form
    14,089.08/21,113.94 = 11,998.20/x
  3. Step 3: Cross multiply
    14,089.08x = 21,113.94 × 11,998.20
  4. Step 4: Simplify right side
    14,089.08x = 253,329,274.91
  5. Step 5: Solve for x
    x = 253,329,274.91/14,089.08
  6. Step 6: Final answer
    x = 17,980.54

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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.