Home / 30,156.09-41,615.74-16,727.75

Finding the Fourth Proportional to 30,156.09, 41,615.74 and 16,727.75

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Solution

The fourth proportional to 30,156.09, 41,615.74 and 16,727.75 is: 23,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.09 : 41,615.74 = 16,727.75 : x
  2. Step 2: Convert to fraction form
    30,156.09/41,615.74 = 16,727.75/x
  3. Step 3: Cross multiply
    30,156.09x = 41,615.74 × 16,727.75
  4. Step 4: Simplify right side
    30,156.09x = 696,137,694.79
  5. Step 5: Solve for x
    x = 696,137,694.79/30,156.09
  6. Step 6: Final answer
    x = 23,084.48

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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.