Home / 17,027.46-23,478.51-11,990.07

Finding the Fourth Proportional to 17,027.46, 23,478.51 and 11,990.07

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Solution

The fourth proportional to 17,027.46, 23,478.51 and 11,990.07 is: 16,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,027.46 : 23,478.51 = 11,990.07 : x
  2. Step 2: Convert to fraction form
    17,027.46/23,478.51 = 11,990.07/x
  3. Step 3: Cross multiply
    17,027.46x = 23,478.51 × 11,990.07
  4. Step 4: Simplify right side
    17,027.46x = 281,508,978.40
  5. Step 5: Solve for x
    x = 281,508,978.40/17,027.46
  6. Step 6: Final answer
    x = 16,532.65

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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.