Home / 19,606.88-29,410.40-4,815.84

Finding the Fourth Proportional to 19,606.88, 29,410.40 and 4,815.84

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Solution

The fourth proportional to 19,606.88, 29,410.40 and 4,815.84 is: 7,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.88 : 29,410.40 = 4,815.84 : x
  2. Step 2: Convert to fraction form
    19,606.88/29,410.40 = 4,815.84/x
  3. Step 3: Cross multiply
    19,606.88x = 29,410.40 × 4,815.84
  4. Step 4: Simplify right side
    19,606.88x = 141,635,780.74
  5. Step 5: Solve for x
    x = 141,635,780.74/19,606.88
  6. Step 6: Final answer
    x = 7,223.78

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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.