Home / 18,465.33-27,702.75-5,318.73

Finding the Fourth Proportional to 18,465.33, 27,702.75 and 5,318.73

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Solution

The fourth proportional to 18,465.33, 27,702.75 and 5,318.73 is: 7,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.33 : 27,702.75 = 5,318.73 : x
  2. Step 2: Convert to fraction form
    18,465.33/27,702.75 = 5,318.73/x
  3. Step 3: Cross multiply
    18,465.33x = 27,702.75 × 5,318.73
  4. Step 4: Simplify right side
    18,465.33x = 147,343,308.99
  5. Step 5: Solve for x
    x = 147,343,308.99/18,465.33
  6. Step 6: Final answer
    x = 7,979.46

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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.