Home / 19,487.24-29,235.76-11,176.64

Finding the Fourth Proportional to 19,487.24, 29,235.76 and 11,176.64

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Solution

The fourth proportional to 19,487.24, 29,235.76 and 11,176.64 is: 16,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.24 : 29,235.76 = 11,176.64 : x
  2. Step 2: Convert to fraction form
    19,487.24/29,235.76 = 11,176.64/x
  3. Step 3: Cross multiply
    19,487.24x = 29,235.76 × 11,176.64
  4. Step 4: Simplify right side
    19,487.24x = 326,757,564.65
  5. Step 5: Solve for x
    x = 326,757,564.65/19,487.24
  6. Step 6: Final answer
    x = 16,767.77

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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.