Home / 15,198.03-20,975.49-10,963.13

Finding the Fourth Proportional to 15,198.03, 20,975.49 and 10,963.13

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Solution

The fourth proportional to 15,198.03, 20,975.49 and 10,963.13 is: 15,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.03 : 20,975.49 = 10,963.13 : x
  2. Step 2: Convert to fraction form
    15,198.03/20,975.49 = 10,963.13/x
  3. Step 3: Cross multiply
    15,198.03x = 20,975.49 × 10,963.13
  4. Step 4: Simplify right side
    15,198.03x = 229,956,943.84
  5. Step 5: Solve for x
    x = 229,956,943.84/15,198.03
  6. Step 6: Final answer
    x = 15,130.70

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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.