Home / 18,592.55-27,879.75-12,972.93

Finding the Fourth Proportional to 18,592.55, 27,879.75 and 12,972.93

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Solution

The fourth proportional to 18,592.55, 27,879.75 and 12,972.93 is: 19,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.55 : 27,879.75 = 12,972.93 : x
  2. Step 2: Convert to fraction form
    18,592.55/27,879.75 = 12,972.93/x
  3. Step 3: Cross multiply
    18,592.55x = 27,879.75 × 12,972.93
  4. Step 4: Simplify right side
    18,592.55x = 361,682,045.17
  5. Step 5: Solve for x
    x = 361,682,045.17/18,592.55
  6. Step 6: Final answer
    x = 19,453.07

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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.