Home / 18,301.63-27,462.82-8,440.91

Finding the Fourth Proportional to 18,301.63, 27,462.82 and 8,440.91

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Solution

The fourth proportional to 18,301.63, 27,462.82 and 8,440.91 is: 12,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.63 : 27,462.82 = 8,440.91 : x
  2. Step 2: Convert to fraction form
    18,301.63/27,462.82 = 8,440.91/x
  3. Step 3: Cross multiply
    18,301.63x = 27,462.82 × 8,440.91
  4. Step 4: Simplify right side
    18,301.63x = 231,811,191.97
  5. Step 5: Solve for x
    x = 231,811,191.97/18,301.63
  6. Step 6: Final answer
    x = 12,666.15

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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.