Home / 30,153.06-41,613.77-16,728.63

Finding the Fourth Proportional to 30,153.06, 41,613.77 and 16,728.63

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Solution

The fourth proportional to 30,153.06, 41,613.77 and 16,728.63 is: 23,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,153.06 : 41,613.77 = 16,728.63 : x
  2. Step 2: Convert to fraction form
    30,153.06/41,613.77 = 16,728.63/x
  3. Step 3: Cross multiply
    30,153.06x = 41,613.77 × 16,728.63
  4. Step 4: Simplify right side
    30,153.06x = 696,141,361.24
  5. Step 5: Solve for x
    x = 696,141,361.24/30,153.06
  6. Step 6: Final answer
    x = 23,086.92

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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.