Home / 18,150.13-27,199.65-14,435.87

Finding the Fourth Proportional to 18,150.13, 27,199.65 and 14,435.87

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Solution

The fourth proportional to 18,150.13, 27,199.65 and 14,435.87 is: 21,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.13 : 27,199.65 = 14,435.87 : x
  2. Step 2: Convert to fraction form
    18,150.13/27,199.65 = 14,435.87/x
  3. Step 3: Cross multiply
    18,150.13x = 27,199.65 × 14,435.87
  4. Step 4: Simplify right side
    18,150.13x = 392,650,611.45
  5. Step 5: Solve for x
    x = 392,650,611.45/18,150.13
  6. Step 6: Final answer
    x = 21,633.49

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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.