Home / 19,553.94-29,330.33-4,762.64

Finding the Fourth Proportional to 19,553.94, 29,330.33 and 4,762.64

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Solution

The fourth proportional to 19,553.94, 29,330.33 and 4,762.64 is: 7,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.94 : 29,330.33 = 4,762.64 : x
  2. Step 2: Convert to fraction form
    19,553.94/29,330.33 = 4,762.64/x
  3. Step 3: Cross multiply
    19,553.94x = 29,330.33 × 4,762.64
  4. Step 4: Simplify right side
    19,553.94x = 139,689,852.38
  5. Step 5: Solve for x
    x = 139,689,852.38/19,553.94
  6. Step 6: Final answer
    x = 7,143.82

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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.