Home / 18,102.69-27,155.52-4,956.12

Finding the Fourth Proportional to 18,102.69, 27,155.52 and 4,956.12

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Solution

The fourth proportional to 18,102.69, 27,155.52 and 4,956.12 is: 7,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.69 : 27,155.52 = 4,956.12 : x
  2. Step 2: Convert to fraction form
    18,102.69/27,155.52 = 4,956.12/x
  3. Step 3: Cross multiply
    18,102.69x = 27,155.52 × 4,956.12
  4. Step 4: Simplify right side
    18,102.69x = 134,586,015.78
  5. Step 5: Solve for x
    x = 134,586,015.78/18,102.69
  6. Step 6: Final answer
    x = 7,434.59

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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.