Home / 13,286.64-18,315.52-10,924.68

Finding the Fourth Proportional to 13,286.64, 18,315.52 and 10,924.68

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Solution

The fourth proportional to 13,286.64, 18,315.52 and 10,924.68 is: 15,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.64 : 18,315.52 = 10,924.68 : x
  2. Step 2: Convert to fraction form
    13,286.64/18,315.52 = 10,924.68/x
  3. Step 3: Cross multiply
    13,286.64x = 18,315.52 × 10,924.68
  4. Step 4: Simplify right side
    13,286.64x = 200,091,195.03
  5. Step 5: Solve for x
    x = 200,091,195.03/13,286.64
  6. Step 6: Final answer
    x = 15,059.58

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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.