Home / 29,145.62-40,221.87-16,571.18

Finding the Fourth Proportional to 29,145.62, 40,221.87 and 16,571.18

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Solution

The fourth proportional to 29,145.62, 40,221.87 and 16,571.18 is: 22,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.62 : 40,221.87 = 16,571.18 : x
  2. Step 2: Convert to fraction form
    29,145.62/40,221.87 = 16,571.18/x
  3. Step 3: Cross multiply
    29,145.62x = 40,221.87 × 16,571.18
  4. Step 4: Simplify right side
    29,145.62x = 666,523,886.12
  5. Step 5: Solve for x
    x = 666,523,886.12/29,145.62
  6. Step 6: Final answer
    x = 22,868.75

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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.