Home / 18,163.39-25,060.71-10,605.28

Finding the Fourth Proportional to 18,163.39, 25,060.71 and 10,605.28

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Solution

The fourth proportional to 18,163.39, 25,060.71 and 10,605.28 is: 14,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.39 : 25,060.71 = 10,605.28 : x
  2. Step 2: Convert to fraction form
    18,163.39/25,060.71 = 10,605.28/x
  3. Step 3: Cross multiply
    18,163.39x = 25,060.71 × 10,605.28
  4. Step 4: Simplify right side
    18,163.39x = 265,775,846.55
  5. Step 5: Solve for x
    x = 265,775,846.55/18,163.39
  6. Step 6: Final answer
    x = 14,632.50

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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.