Home / 18,960.48-26,145.94-12,584.76

Finding the Fourth Proportional to 18,960.48, 26,145.94 and 12,584.76

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Solution

The fourth proportional to 18,960.48, 26,145.94 and 12,584.76 is: 17,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.48 : 26,145.94 = 12,584.76 : x
  2. Step 2: Convert to fraction form
    18,960.48/26,145.94 = 12,584.76/x
  3. Step 3: Cross multiply
    18,960.48x = 26,145.94 × 12,584.76
  4. Step 4: Simplify right side
    18,960.48x = 329,040,379.87
  5. Step 5: Solve for x
    x = 329,040,379.87/18,960.48
  6. Step 6: Final answer
    x = 17,354.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.