Home / 18,481.10-25,505.43-10,525.82

Finding the Fourth Proportional to 18,481.10, 25,505.43 and 10,525.82

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Solution

The fourth proportional to 18,481.10, 25,505.43 and 10,525.82 is: 14,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.10 : 25,505.43 = 10,525.82 : x
  2. Step 2: Convert to fraction form
    18,481.10/25,505.43 = 10,525.82/x
  3. Step 3: Cross multiply
    18,481.10x = 25,505.43 × 10,525.82
  4. Step 4: Simplify right side
    18,481.10x = 268,465,565.20
  5. Step 5: Solve for x
    x = 268,465,565.20/18,481.10
  6. Step 6: Final answer
    x = 14,526.49

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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.