Home / 18,254.00-25,195.10-10,300.80

Finding the Fourth Proportional to 18,254.00, 25,195.10 and 10,300.80

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Solution

The fourth proportional to 18,254.00, 25,195.10 and 10,300.80 is: 14,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.00 : 25,195.10 = 10,300.80 : x
  2. Step 2: Convert to fraction form
    18,254.00/25,195.10 = 10,300.80/x
  3. Step 3: Cross multiply
    18,254.00x = 25,195.10 × 10,300.80
  4. Step 4: Simplify right side
    18,254.00x = 259,529,634.58
  5. Step 5: Solve for x
    x = 259,529,634.58/18,254.00
  6. Step 6: Final answer
    x = 14,217.69

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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.