Home / 18,512.69-27,756.72-10,196.64

Finding the Fourth Proportional to 18,512.69, 27,756.72 and 10,196.64

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Solution

The fourth proportional to 18,512.69, 27,756.72 and 10,196.64 is: 15,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.69 : 27,756.72 = 10,196.64 : x
  2. Step 2: Convert to fraction form
    18,512.69/27,756.72 = 10,196.64/x
  3. Step 3: Cross multiply
    18,512.69x = 27,756.72 × 10,196.64
  4. Step 4: Simplify right side
    18,512.69x = 283,025,281.42
  5. Step 5: Solve for x
    x = 283,025,281.42/18,512.69
  6. Step 6: Final answer
    x = 15,288.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.