Home / 17,960.44-26,965.50-12,400.06

Finding the Fourth Proportional to 17,960.44, 26,965.50 and 12,400.06

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Solution

The fourth proportional to 17,960.44, 26,965.50 and 12,400.06 is: 18,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.44 : 26,965.50 = 12,400.06 : x
  2. Step 2: Convert to fraction form
    17,960.44/26,965.50 = 12,400.06/x
  3. Step 3: Cross multiply
    17,960.44x = 26,965.50 × 12,400.06
  4. Step 4: Simplify right side
    17,960.44x = 334,373,817.93
  5. Step 5: Solve for x
    x = 334,373,817.93/17,960.44
  6. Step 6: Final answer
    x = 18,617.24

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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.