Home / 14,141.72-21,211.50-4,782.52

Finding the Fourth Proportional to 14,141.72, 21,211.50 and 4,782.52

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Solution

The fourth proportional to 14,141.72, 21,211.50 and 4,782.52 is: 7,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.72 : 21,211.50 = 4,782.52 : x
  2. Step 2: Convert to fraction form
    14,141.72/21,211.50 = 4,782.52/x
  3. Step 3: Cross multiply
    14,141.72x = 21,211.50 × 4,782.52
  4. Step 4: Simplify right side
    14,141.72x = 101,444,422.98
  5. Step 5: Solve for x
    x = 101,444,422.98/14,141.72
  6. Step 6: Final answer
    x = 7,173.41

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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.