Home / 18,272.41-25,216.05-10,723.21

Finding the Fourth Proportional to 18,272.41, 25,216.05 and 10,723.21

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Solution

The fourth proportional to 18,272.41, 25,216.05 and 10,723.21 is: 14,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.41 : 25,216.05 = 10,723.21 : x
  2. Step 2: Convert to fraction form
    18,272.41/25,216.05 = 10,723.21/x
  3. Step 3: Cross multiply
    18,272.41x = 25,216.05 × 10,723.21
  4. Step 4: Simplify right side
    18,272.41x = 270,396,999.52
  5. Step 5: Solve for x
    x = 270,396,999.52/18,272.41
  6. Step 6: Final answer
    x = 14,798.10

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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.