Home / 13,551.93-18,702.70-7,584.66

Finding the Fourth Proportional to 13,551.93, 18,702.70 and 7,584.66

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Solution

The fourth proportional to 13,551.93, 18,702.70 and 7,584.66 is: 10,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.93 : 18,702.70 = 7,584.66 : x
  2. Step 2: Convert to fraction form
    13,551.93/18,702.70 = 7,584.66/x
  3. Step 3: Cross multiply
    13,551.93x = 18,702.70 × 7,584.66
  4. Step 4: Simplify right side
    13,551.93x = 141,853,601.62
  5. Step 5: Solve for x
    x = 141,853,601.62/13,551.93
  6. Step 6: Final answer
    x = 10,467.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.