Home / 18,574.30-25,632.32-10,190.80

Finding the Fourth Proportional to 18,574.30, 25,632.32 and 10,190.80

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Solution

The fourth proportional to 18,574.30, 25,632.32 and 10,190.80 is: 14,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.30 : 25,632.32 = 10,190.80 : x
  2. Step 2: Convert to fraction form
    18,574.30/25,632.32 = 10,190.80/x
  3. Step 3: Cross multiply
    18,574.30x = 25,632.32 × 10,190.80
  4. Step 4: Simplify right side
    18,574.30x = 261,213,846.66
  5. Step 5: Solve for x
    x = 261,213,846.66/18,574.30
  6. Step 6: Final answer
    x = 14,063.19

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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.