Home / 18,288.18-27,232.61-17,623.98

Finding the Fourth Proportional to 18,288.18, 27,232.61 and 17,623.98

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Solution

The fourth proportional to 18,288.18, 27,232.61 and 17,623.98 is: 26,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.18 : 27,232.61 = 17,623.98 : x
  2. Step 2: Convert to fraction form
    18,288.18/27,232.61 = 17,623.98/x
  3. Step 3: Cross multiply
    18,288.18x = 27,232.61 × 17,623.98
  4. Step 4: Simplify right side
    18,288.18x = 479,946,885.87
  5. Step 5: Solve for x
    x = 479,946,885.87/18,288.18
  6. Step 6: Final answer
    x = 26,243.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.