Home / 18,470.22-27,709.88-5,323.62

Finding the Fourth Proportional to 18,470.22, 27,709.88 and 5,323.62

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Solution

The fourth proportional to 18,470.22, 27,709.88 and 5,323.62 is: 7,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.22 : 27,709.88 = 5,323.62 : x
  2. Step 2: Convert to fraction form
    18,470.22/27,709.88 = 5,323.62/x
  3. Step 3: Cross multiply
    18,470.22x = 27,709.88 × 5,323.62
  4. Step 4: Simplify right side
    18,470.22x = 147,516,844.75
  5. Step 5: Solve for x
    x = 147,516,844.75/18,470.22
  6. Step 6: Final answer
    x = 7,986.74

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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.