Home / 14,345.03-21,519.60-6,943.41

Finding the Fourth Proportional to 14,345.03, 21,519.60 and 6,943.41

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Solution

The fourth proportional to 14,345.03, 21,519.60 and 6,943.41 is: 10,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.03 : 21,519.60 = 6,943.41 : x
  2. Step 2: Convert to fraction form
    14,345.03/21,519.60 = 6,943.41/x
  3. Step 3: Cross multiply
    14,345.03x = 21,519.60 × 6,943.41
  4. Step 4: Simplify right side
    14,345.03x = 149,419,405.84
  5. Step 5: Solve for x
    x = 149,419,405.84/14,345.03
  6. Step 6: Final answer
    x = 10,416.11

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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.