Home / 17,686.50-26,529.78-5,999.70

Finding the Fourth Proportional to 17,686.50, 26,529.78 and 5,999.70

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Solution

The fourth proportional to 17,686.50, 26,529.78 and 5,999.70 is: 8,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.50 : 26,529.78 = 5,999.70 : x
  2. Step 2: Convert to fraction form
    17,686.50/26,529.78 = 5,999.70/x
  3. Step 3: Cross multiply
    17,686.50x = 26,529.78 × 5,999.70
  4. Step 4: Simplify right side
    17,686.50x = 159,170,721.07
  5. Step 5: Solve for x
    x = 159,170,721.07/17,686.50
  6. Step 6: Final answer
    x = 8,999.56

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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.