Home / 13,526.06-20,255.96-11,171.66

Finding the Fourth Proportional to 13,526.06, 20,255.96 and 11,171.66

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Solution

The fourth proportional to 13,526.06, 20,255.96 and 11,171.66 is: 16,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.06 : 20,255.96 = 11,171.66 : x
  2. Step 2: Convert to fraction form
    13,526.06/20,255.96 = 11,171.66/x
  3. Step 3: Cross multiply
    13,526.06x = 20,255.96 × 11,171.66
  4. Step 4: Simplify right side
    13,526.06x = 226,292,698.09
  5. Step 5: Solve for x
    x = 226,292,698.09/13,526.06
  6. Step 6: Final answer
    x = 16,730.13

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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.