Home / 18,493.14-27,750.63-6,814.56

Finding the Fourth Proportional to 18,493.14, 27,750.63 and 6,814.56

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Solution

The fourth proportional to 18,493.14, 27,750.63 and 6,814.56 is: 10,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.14 : 27,750.63 = 6,814.56 : x
  2. Step 2: Convert to fraction form
    18,493.14/27,750.63 = 6,814.56/x
  3. Step 3: Cross multiply
    18,493.14x = 27,750.63 × 6,814.56
  4. Step 4: Simplify right side
    18,493.14x = 189,108,333.17
  5. Step 5: Solve for x
    x = 189,108,333.17/18,493.14
  6. Step 6: Final answer
    x = 10,225.86

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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.