Home / 12,554.19-18,833.72-5,531.49

Finding the Fourth Proportional to 12,554.19, 18,833.72 and 5,531.49

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Solution

The fourth proportional to 12,554.19, 18,833.72 and 5,531.49 is: 8,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.19 : 18,833.72 = 5,531.49 : x
  2. Step 2: Convert to fraction form
    12,554.19/18,833.72 = 5,531.49/x
  3. Step 3: Cross multiply
    12,554.19x = 18,833.72 × 5,531.49
  4. Step 4: Simplify right side
    12,554.19x = 104,178,506.19
  5. Step 5: Solve for x
    x = 104,178,506.19/12,554.19
  6. Step 6: Final answer
    x = 8,298.31

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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.