Home / 17,760.16-26,640.30-11,170.00

Finding the Fourth Proportional to 17,760.16, 26,640.30 and 11,170.00

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Solution

The fourth proportional to 17,760.16, 26,640.30 and 11,170.00 is: 16,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.16 : 26,640.30 = 11,170.00 : x
  2. Step 2: Convert to fraction form
    17,760.16/26,640.30 = 11,170.00/x
  3. Step 3: Cross multiply
    17,760.16x = 26,640.30 × 11,170.00
  4. Step 4: Simplify right side
    17,760.16x = 297,572,017.80
  5. Step 5: Solve for x
    x = 297,572,017.80/17,760.16
  6. Step 6: Final answer
    x = 16,755.03

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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.