Home / 18,571.68-25,632.69-12,605.27

Finding the Fourth Proportional to 18,571.68, 25,632.69 and 12,605.27

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Solution

The fourth proportional to 18,571.68, 25,632.69 and 12,605.27 is: 17,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.68 : 25,632.69 = 12,605.27 : x
  2. Step 2: Convert to fraction form
    18,571.68/25,632.69 = 12,605.27/x
  3. Step 3: Cross multiply
    18,571.68x = 25,632.69 × 12,605.27
  4. Step 4: Simplify right side
    18,571.68x = 323,106,978.28
  5. Step 5: Solve for x
    x = 323,106,978.28/18,571.68
  6. Step 6: Final answer
    x = 17,397.83

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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.