Home / 13,207.01-18,234.09-11,788.22

Finding the Fourth Proportional to 13,207.01, 18,234.09 and 11,788.22

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Solution

The fourth proportional to 13,207.01, 18,234.09 and 11,788.22 is: 16,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.01 : 18,234.09 = 11,788.22 : x
  2. Step 2: Convert to fraction form
    13,207.01/18,234.09 = 11,788.22/x
  3. Step 3: Cross multiply
    13,207.01x = 18,234.09 × 11,788.22
  4. Step 4: Simplify right side
    13,207.01x = 214,947,373.25
  5. Step 5: Solve for x
    x = 214,947,373.25/13,207.01
  6. Step 6: Final answer
    x = 16,275.25

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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.