Home / 18,228.96-27,346.39-7,700.57

Finding the Fourth Proportional to 18,228.96, 27,346.39 and 7,700.57

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Solution

The fourth proportional to 18,228.96, 27,346.39 and 7,700.57 is: 11,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.96 : 27,346.39 = 7,700.57 : x
  2. Step 2: Convert to fraction form
    18,228.96/27,346.39 = 7,700.57/x
  3. Step 3: Cross multiply
    18,228.96x = 27,346.39 × 7,700.57
  4. Step 4: Simplify right side
    18,228.96x = 210,582,615.21
  5. Step 5: Solve for x
    x = 210,582,615.21/18,228.96
  6. Step 6: Final answer
    x = 11,552.09

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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.