Home / 18,260.42-27,378.27-7,160.18

Finding the Fourth Proportional to 18,260.42, 27,378.27 and 7,160.18

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Solution

The fourth proportional to 18,260.42, 27,378.27 and 7,160.18 is: 10,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.42 : 27,378.27 = 7,160.18 : x
  2. Step 2: Convert to fraction form
    18,260.42/27,378.27 = 7,160.18/x
  3. Step 3: Cross multiply
    18,260.42x = 27,378.27 × 7,160.18
  4. Step 4: Simplify right side
    18,260.42x = 196,033,341.29
  5. Step 5: Solve for x
    x = 196,033,341.29/18,260.42
  6. Step 6: Final answer
    x = 10,735.42

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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.