Home / 18,403.53-27,600.84-8,533.29

Finding the Fourth Proportional to 18,403.53, 27,600.84 and 8,533.29

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Solution

The fourth proportional to 18,403.53, 27,600.84 and 8,533.29 is: 12,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.53 : 27,600.84 = 8,533.29 : x
  2. Step 2: Convert to fraction form
    18,403.53/27,600.84 = 8,533.29/x
  3. Step 3: Cross multiply
    18,403.53x = 27,600.84 × 8,533.29
  4. Step 4: Simplify right side
    18,403.53x = 235,525,971.96
  5. Step 5: Solve for x
    x = 235,525,971.96/18,403.53
  6. Step 6: Final answer
    x = 12,797.87

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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.