Home / 19,541.76-29,304.40-7,693.68

Finding the Fourth Proportional to 19,541.76, 29,304.40 and 7,693.68

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Solution

The fourth proportional to 19,541.76, 29,304.40 and 7,693.68 is: 11,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.76 : 29,304.40 = 7,693.68 : x
  2. Step 2: Convert to fraction form
    19,541.76/29,304.40 = 7,693.68/x
  3. Step 3: Cross multiply
    19,541.76x = 29,304.40 × 7,693.68
  4. Step 4: Simplify right side
    19,541.76x = 225,458,676.19
  5. Step 5: Solve for x
    x = 225,458,676.19/19,541.76
  6. Step 6: Final answer
    x = 11,537.28

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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.