Home / 19,553.10-29,329.70-4,761.99

Finding the Fourth Proportional to 19,553.10, 29,329.70 and 4,761.99

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Solution

The fourth proportional to 19,553.10, 29,329.70 and 4,761.99 is: 7,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.10 : 29,329.70 = 4,761.99 : x
  2. Step 2: Convert to fraction form
    19,553.10/29,329.70 = 4,761.99/x
  3. Step 3: Cross multiply
    19,553.10x = 29,329.70 × 4,761.99
  4. Step 4: Simplify right side
    19,553.10x = 139,667,714.29
  5. Step 5: Solve for x
    x = 139,667,714.29/19,553.10
  6. Step 6: Final answer
    x = 7,143.00

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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.