Home / 13,747.97-18,972.25-7,460.35

Finding the Fourth Proportional to 13,747.97, 18,972.25 and 7,460.35

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Solution

The fourth proportional to 13,747.97, 18,972.25 and 7,460.35 is: 10,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.97 : 18,972.25 = 7,460.35 : x
  2. Step 2: Convert to fraction form
    13,747.97/18,972.25 = 7,460.35/x
  3. Step 3: Cross multiply
    13,747.97x = 18,972.25 × 7,460.35
  4. Step 4: Simplify right side
    13,747.97x = 141,539,530.43
  5. Step 5: Solve for x
    x = 141,539,530.43/13,747.97
  6. Step 6: Final answer
    x = 10,295.30

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1.5x scale

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.