Home / 13,554.75-18,702.87-7,585.26

Finding the Fourth Proportional to 13,554.75, 18,702.87 and 7,585.26

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Solution

The fourth proportional to 13,554.75, 18,702.87 and 7,585.26 is: 10,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.75 : 18,702.87 = 7,585.26 : x
  2. Step 2: Convert to fraction form
    13,554.75/18,702.87 = 7,585.26/x
  3. Step 3: Cross multiply
    13,554.75x = 18,702.87 × 7,585.26
  4. Step 4: Simplify right side
    13,554.75x = 141,866,131.70
  5. Step 5: Solve for x
    x = 141,866,131.70/13,554.75
  6. Step 6: Final answer
    x = 10,466.16

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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.