Home / 18,103.77-27,157.53-4,956.14

Finding the Fourth Proportional to 18,103.77, 27,157.53 and 4,956.14

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Solution

The fourth proportional to 18,103.77, 27,157.53 and 4,956.14 is: 7,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.77 : 27,157.53 = 4,956.14 : x
  2. Step 2: Convert to fraction form
    18,103.77/27,157.53 = 4,956.14/x
  3. Step 3: Cross multiply
    18,103.77x = 27,157.53 × 4,956.14
  4. Step 4: Simplify right side
    18,103.77x = 134,596,607.21
  5. Step 5: Solve for x
    x = 134,596,607.21/18,103.77
  6. Step 6: Final answer
    x = 7,434.73

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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.