Home / 18,213.52-25,141.68-12,262.16

Finding the Fourth Proportional to 18,213.52, 25,141.68 and 12,262.16

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Solution

The fourth proportional to 18,213.52, 25,141.68 and 12,262.16 is: 16,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.52 : 25,141.68 = 12,262.16 : x
  2. Step 2: Convert to fraction form
    18,213.52/25,141.68 = 12,262.16/x
  3. Step 3: Cross multiply
    18,213.52x = 25,141.68 × 12,262.16
  4. Step 4: Simplify right side
    18,213.52x = 308,291,302.83
  5. Step 5: Solve for x
    x = 308,291,302.83/18,213.52
  6. Step 6: Final answer
    x = 16,926.51

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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.