Home / 15,798.72-23,681.24-11,891.04

Finding the Fourth Proportional to 15,798.72, 23,681.24 and 11,891.04

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Solution

The fourth proportional to 15,798.72, 23,681.24 and 11,891.04 is: 17,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.72 : 23,681.24 = 11,891.04 : x
  2. Step 2: Convert to fraction form
    15,798.72/23,681.24 = 11,891.04/x
  3. Step 3: Cross multiply
    15,798.72x = 23,681.24 × 11,891.04
  4. Step 4: Simplify right side
    15,798.72x = 281,594,572.09
  5. Step 5: Solve for x
    x = 281,594,572.09/15,798.72
  6. Step 6: Final answer
    x = 17,823.89

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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.