Home / 18,162.12-25,063.50-10,505.19

Finding the Fourth Proportional to 18,162.12, 25,063.50 and 10,505.19

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Solution

The fourth proportional to 18,162.12, 25,063.50 and 10,505.19 is: 14,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.12 : 25,063.50 = 10,505.19 : x
  2. Step 2: Convert to fraction form
    18,162.12/25,063.50 = 10,505.19/x
  3. Step 3: Cross multiply
    18,162.12x = 25,063.50 × 10,505.19
  4. Step 4: Simplify right side
    18,162.12x = 263,296,829.57
  5. Step 5: Solve for x
    x = 263,296,829.57/18,162.12
  6. Step 6: Final answer
    x = 14,497.03

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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.