Home / 10,954.45-15,119.04-10,589.95

Finding the Fourth Proportional to 10,954.45, 15,119.04 and 10,589.95

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Solution

The fourth proportional to 10,954.45, 15,119.04 and 10,589.95 is: 14,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.45 : 15,119.04 = 10,589.95 : x
  2. Step 2: Convert to fraction form
    10,954.45/15,119.04 = 10,589.95/x
  3. Step 3: Cross multiply
    10,954.45x = 15,119.04 × 10,589.95
  4. Step 4: Simplify right side
    10,954.45x = 160,109,936.26
  5. Step 5: Solve for x
    x = 160,109,936.26/10,954.45
  6. Step 6: Final answer
    x = 14,615.97

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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.