Home / 18,271.23-25,216.77-10,719.41

Finding the Fourth Proportional to 18,271.23, 25,216.77 and 10,719.41

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Solution

The fourth proportional to 18,271.23, 25,216.77 and 10,719.41 is: 14,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.23 : 25,216.77 = 10,719.41 : x
  2. Step 2: Convert to fraction form
    18,271.23/25,216.77 = 10,719.41/x
  3. Step 3: Cross multiply
    18,271.23x = 25,216.77 × 10,719.41
  4. Step 4: Simplify right side
    18,271.23x = 270,308,770.42
  5. Step 5: Solve for x
    x = 270,308,770.42/18,271.23
  6. Step 6: Final answer
    x = 14,794.23

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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.