Home / 14,618.34-21,929.80-4,755.31

Finding the Fourth Proportional to 14,618.34, 21,929.80 and 4,755.31

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Solution

The fourth proportional to 14,618.34, 21,929.80 and 4,755.31 is: 7,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.34 : 21,929.80 = 4,755.31 : x
  2. Step 2: Convert to fraction form
    14,618.34/21,929.80 = 4,755.31/x
  3. Step 3: Cross multiply
    14,618.34x = 21,929.80 × 4,755.31
  4. Step 4: Simplify right side
    14,618.34x = 104,282,997.24
  5. Step 5: Solve for x
    x = 104,282,997.24/14,618.34
  6. Step 6: Final answer
    x = 7,133.71

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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.