Home / 13,623.52-18,796.99-7,954.66

Finding the Fourth Proportional to 13,623.52, 18,796.99 and 7,954.66

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Solution

The fourth proportional to 13,623.52, 18,796.99 and 7,954.66 is: 10,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.52 : 18,796.99 = 7,954.66 : x
  2. Step 2: Convert to fraction form
    13,623.52/18,796.99 = 7,954.66/x
  3. Step 3: Cross multiply
    13,623.52x = 18,796.99 × 7,954.66
  4. Step 4: Simplify right side
    13,623.52x = 149,523,554.89
  5. Step 5: Solve for x
    x = 149,523,554.89/13,623.52
  6. Step 6: Final answer
    x = 10,975.40

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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.