Home / 18,465.03-25,481.88-10,507.86

Finding the Fourth Proportional to 18,465.03, 25,481.88 and 10,507.86

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Solution

The fourth proportional to 18,465.03, 25,481.88 and 10,507.86 is: 14,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.03 : 25,481.88 = 10,507.86 : x
  2. Step 2: Convert to fraction form
    18,465.03/25,481.88 = 10,507.86/x
  3. Step 3: Cross multiply
    18,465.03x = 25,481.88 × 10,507.86
  4. Step 4: Simplify right side
    18,465.03x = 267,760,027.58
  5. Step 5: Solve for x
    x = 267,760,027.58/18,465.03
  6. Step 6: Final answer
    x = 14,500.93

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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.