Home / 18,494.37-25,520.40-10,536.12

Finding the Fourth Proportional to 18,494.37, 25,520.40 and 10,536.12

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Solution

The fourth proportional to 18,494.37, 25,520.40 and 10,536.12 is: 14,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.37 : 25,520.40 = 10,536.12 : x
  2. Step 2: Convert to fraction form
    18,494.37/25,520.40 = 10,536.12/x
  3. Step 3: Cross multiply
    18,494.37x = 25,520.40 × 10,536.12
  4. Step 4: Simplify right side
    18,494.37x = 268,885,996.85
  5. Step 5: Solve for x
    x = 268,885,996.85/18,494.37
  6. Step 6: Final answer
    x = 14,538.80

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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.