Home / 18,395.18-27,592.61-12,182.99

Finding the Fourth Proportional to 18,395.18, 27,592.61 and 12,182.99

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Solution

The fourth proportional to 18,395.18, 27,592.61 and 12,182.99 is: 18,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.18 : 27,592.61 = 12,182.99 : x
  2. Step 2: Convert to fraction form
    18,395.18/27,592.61 = 12,182.99/x
  3. Step 3: Cross multiply
    18,395.18x = 27,592.61 × 12,182.99
  4. Step 4: Simplify right side
    18,395.18x = 336,160,292.83
  5. Step 5: Solve for x
    x = 336,160,292.83/18,395.18
  6. Step 6: Final answer
    x = 18,274.37

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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.