Home / 18,330.03-27,495.05-10,533.87

Finding the Fourth Proportional to 18,330.03, 27,495.05 and 10,533.87

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Solution

The fourth proportional to 18,330.03, 27,495.05 and 10,533.87 is: 15,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.03 : 27,495.05 = 10,533.87 : x
  2. Step 2: Convert to fraction form
    18,330.03/27,495.05 = 10,533.87/x
  3. Step 3: Cross multiply
    18,330.03x = 27,495.05 × 10,533.87
  4. Step 4: Simplify right side
    18,330.03x = 289,629,229.67
  5. Step 5: Solve for x
    x = 289,629,229.67/18,330.03
  6. Step 6: Final answer
    x = 15,800.81

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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.