Home / 26,004.90-38,999.49-13,518.09

Finding the Fourth Proportional to 26,004.90, 38,999.49 and 13,518.09

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Solution

The fourth proportional to 26,004.90, 38,999.49 and 13,518.09 is: 20,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,004.90 : 38,999.49 = 13,518.09 : x
  2. Step 2: Convert to fraction form
    26,004.90/38,999.49 = 13,518.09/x
  3. Step 3: Cross multiply
    26,004.90x = 38,999.49 × 13,518.09
  4. Step 4: Simplify right side
    26,004.90x = 527,198,641.12
  5. Step 5: Solve for x
    x = 527,198,641.12/26,004.90
  6. Step 6: Final answer
    x = 20,273.05

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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.