Home / 18,842.58-26,006.38-12,469.30

Finding the Fourth Proportional to 18,842.58, 26,006.38 and 12,469.30

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Solution

The fourth proportional to 18,842.58, 26,006.38 and 12,469.30 is: 17,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.58 : 26,006.38 = 12,469.30 : x
  2. Step 2: Convert to fraction form
    18,842.58/26,006.38 = 12,469.30/x
  3. Step 3: Cross multiply
    18,842.58x = 26,006.38 × 12,469.30
  4. Step 4: Simplify right side
    18,842.58x = 324,281,257.94
  5. Step 5: Solve for x
    x = 324,281,257.94/18,842.58
  6. Step 6: Final answer
    x = 17,210.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.