Home / 29,518.64-40,736.36-16,769.80

Finding the Fourth Proportional to 29,518.64, 40,736.36 and 16,769.80

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Solution

The fourth proportional to 29,518.64, 40,736.36 and 16,769.80 is: 23,142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,518.64 : 40,736.36 = 16,769.80 : x
  2. Step 2: Convert to fraction form
    29,518.64/40,736.36 = 16,769.80/x
  3. Step 3: Cross multiply
    29,518.64x = 40,736.36 × 16,769.80
  4. Step 4: Simplify right side
    29,518.64x = 683,140,609.93
  5. Step 5: Solve for x
    x = 683,140,609.93/29,518.64
  6. Step 6: Final answer
    x = 23,142.69

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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.