Home / 19,904.63-29,764.66-15,411.36

Finding the Fourth Proportional to 19,904.63, 29,764.66 and 15,411.36

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Solution

The fourth proportional to 19,904.63, 29,764.66 and 15,411.36 is: 23,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.63 : 29,764.66 = 15,411.36 : x
  2. Step 2: Convert to fraction form
    19,904.63/29,764.66 = 15,411.36/x
  3. Step 3: Cross multiply
    19,904.63x = 29,764.66 × 15,411.36
  4. Step 4: Simplify right side
    19,904.63x = 458,713,890.54
  5. Step 5: Solve for x
    x = 458,713,890.54/19,904.63
  6. Step 6: Final answer
    x = 23,045.59

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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.