Home / 18,179.04-27,264.06-12,898.68

Finding the Fourth Proportional to 18,179.04, 27,264.06 and 12,898.68

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Solution

The fourth proportional to 18,179.04, 27,264.06 and 12,898.68 is: 19,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.04 : 27,264.06 = 12,898.68 : x
  2. Step 2: Convert to fraction form
    18,179.04/27,264.06 = 12,898.68/x
  3. Step 3: Cross multiply
    18,179.04x = 27,264.06 × 12,898.68
  4. Step 4: Simplify right side
    18,179.04x = 351,670,385.44
  5. Step 5: Solve for x
    x = 351,670,385.44/18,179.04
  6. Step 6: Final answer
    x = 19,344.83

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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.