Home / 25,357.55-38,027.01-8,712.86

Finding the Fourth Proportional to 25,357.55, 38,027.01 and 8,712.86

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Solution

The fourth proportional to 25,357.55, 38,027.01 and 8,712.86 is: 13,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.55 : 38,027.01 = 8,712.86 : x
  2. Step 2: Convert to fraction form
    25,357.55/38,027.01 = 8,712.86/x
  3. Step 3: Cross multiply
    25,357.55x = 38,027.01 × 8,712.86
  4. Step 4: Simplify right side
    25,357.55x = 331,324,014.35
  5. Step 5: Solve for x
    x = 331,324,014.35/25,357.55
  6. Step 6: Final answer
    x = 13,066.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.