Home / 18,729.16-25,847.02-10,771.39

Finding the Fourth Proportional to 18,729.16, 25,847.02 and 10,771.39

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Solution

The fourth proportional to 18,729.16, 25,847.02 and 10,771.39 is: 14,864.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.16 : 25,847.02 = 10,771.39 : x
  2. Step 2: Convert to fraction form
    18,729.16/25,847.02 = 10,771.39/x
  3. Step 3: Cross multiply
    18,729.16x = 25,847.02 × 10,771.39
  4. Step 4: Simplify right side
    18,729.16x = 278,408,203.52
  5. Step 5: Solve for x
    x = 278,408,203.52/18,729.16
  6. Step 6: Final answer
    x = 14,864.96

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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.