Home / 18,185.68-25,110.36-14,199.88

Finding the Fourth Proportional to 18,185.68, 25,110.36 and 14,199.88

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Solution

The fourth proportional to 18,185.68, 25,110.36 and 14,199.88 is: 19,606.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.68 : 25,110.36 = 14,199.88 : x
  2. Step 2: Convert to fraction form
    18,185.68/25,110.36 = 14,199.88/x
  3. Step 3: Cross multiply
    18,185.68x = 25,110.36 × 14,199.88
  4. Step 4: Simplify right side
    18,185.68x = 356,564,098.76
  5. Step 5: Solve for x
    x = 356,564,098.76/18,185.68
  6. Step 6: Final answer
    x = 19,606.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.