Home / 18,238.08-25,168.66-11,526.68

Finding the Fourth Proportional to 18,238.08, 25,168.66 and 11,526.68

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Solution

The fourth proportional to 18,238.08, 25,168.66 and 11,526.68 is: 15,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.08 : 25,168.66 = 11,526.68 : x
  2. Step 2: Convert to fraction form
    18,238.08/25,168.66 = 11,526.68/x
  3. Step 3: Cross multiply
    18,238.08x = 25,168.66 × 11,526.68
  4. Step 4: Simplify right side
    18,238.08x = 290,111,089.85
  5. Step 5: Solve for x
    x = 290,111,089.85/18,238.08
  6. Step 6: Final answer
    x = 15,906.89

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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.