Home / 18,308.07-27,465.12-6,458.49

Finding the Fourth Proportional to 18,308.07, 27,465.12 and 6,458.49

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Solution

The fourth proportional to 18,308.07, 27,465.12 and 6,458.49 is: 9,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.07 : 27,465.12 = 6,458.49 : x
  2. Step 2: Convert to fraction form
    18,308.07/27,465.12 = 6,458.49/x
  3. Step 3: Cross multiply
    18,308.07x = 27,465.12 × 6,458.49
  4. Step 4: Simplify right side
    18,308.07x = 177,383,202.87
  5. Step 5: Solve for x
    x = 177,383,202.87/18,308.07
  6. Step 6: Final answer
    x = 9,688.80

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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.