Home / 14,114.84-21,172.44-5,347.40

Finding the Fourth Proportional to 14,114.84, 21,172.44 and 5,347.40

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Solution

The fourth proportional to 14,114.84, 21,172.44 and 5,347.40 is: 8,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.84 : 21,172.44 = 5,347.40 : x
  2. Step 2: Convert to fraction form
    14,114.84/21,172.44 = 5,347.40/x
  3. Step 3: Cross multiply
    14,114.84x = 21,172.44 × 5,347.40
  4. Step 4: Simplify right side
    14,114.84x = 113,217,505.66
  5. Step 5: Solve for x
    x = 113,217,505.66/14,114.84
  6. Step 6: Final answer
    x = 8,021.17

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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.