Home / 29,192.76-40,286.22-16,618.32

Finding the Fourth Proportional to 29,192.76, 40,286.22 and 16,618.32

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Solution

The fourth proportional to 29,192.76, 40,286.22 and 16,618.32 is: 22,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,192.76 : 40,286.22 = 16,618.32 : x
  2. Step 2: Convert to fraction form
    29,192.76/40,286.22 = 16,618.32/x
  3. Step 3: Cross multiply
    29,192.76x = 40,286.22 × 16,618.32
  4. Step 4: Simplify right side
    29,192.76x = 669,489,295.55
  5. Step 5: Solve for x
    x = 669,489,295.55/29,192.76
  6. Step 6: Final answer
    x = 22,933.40

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Double scale
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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.