Home / 18,004.38-27,006.60-4,856.40

Finding the Fourth Proportional to 18,004.38, 27,006.60 and 4,856.40

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Solution

The fourth proportional to 18,004.38, 27,006.60 and 4,856.40 is: 7,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.38 : 27,006.60 = 4,856.40 : x
  2. Step 2: Convert to fraction form
    18,004.38/27,006.60 = 4,856.40/x
  3. Step 3: Cross multiply
    18,004.38x = 27,006.60 × 4,856.40
  4. Step 4: Simplify right side
    18,004.38x = 131,154,852.24
  5. Step 5: Solve for x
    x = 131,154,852.24/18,004.38
  6. Step 6: Final answer
    x = 7,284.61

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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.