Home / 19,645.29-29,467.53-5,605.38

Finding the Fourth Proportional to 19,645.29, 29,467.53 and 5,605.38

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Solution

The fourth proportional to 19,645.29, 29,467.53 and 5,605.38 is: 8,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.29 : 29,467.53 = 5,605.38 : x
  2. Step 2: Convert to fraction form
    19,645.29/29,467.53 = 5,605.38/x
  3. Step 3: Cross multiply
    19,645.29x = 29,467.53 × 5,605.38
  4. Step 4: Simplify right side
    19,645.29x = 165,176,703.31
  5. Step 5: Solve for x
    x = 165,176,703.31/19,645.29
  6. Step 6: Final answer
    x = 8,407.95

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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.