Home / 14,427.70-21,638.81-5,065.52

Finding the Fourth Proportional to 14,427.70, 21,638.81 and 5,065.52

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Solution

The fourth proportional to 14,427.70, 21,638.81 and 5,065.52 is: 7,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.70 : 21,638.81 = 5,065.52 : x
  2. Step 2: Convert to fraction form
    14,427.70/21,638.81 = 5,065.52/x
  3. Step 3: Cross multiply
    14,427.70x = 21,638.81 × 5,065.52
  4. Step 4: Simplify right side
    14,427.70x = 109,611,716.64
  5. Step 5: Solve for x
    x = 109,611,716.64/14,427.70
  6. Step 6: Final answer
    x = 7,597.31

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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.