Home / 17,971.56-24,817.86-16,989.84

Finding the Fourth Proportional to 17,971.56, 24,817.86 and 16,989.84

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Solution

The fourth proportional to 17,971.56, 24,817.86 and 16,989.84 is: 23,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.56 : 24,817.86 = 16,989.84 : x
  2. Step 2: Convert to fraction form
    17,971.56/24,817.86 = 16,989.84/x
  3. Step 3: Cross multiply
    17,971.56x = 24,817.86 × 16,989.84
  4. Step 4: Simplify right side
    17,971.56x = 421,651,470.54
  5. Step 5: Solve for x
    x = 421,651,470.54/17,971.56
  6. Step 6: Final answer
    x = 23,462.15

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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.