Home / 29,004.41-40,011.85-18,928.19

Finding the Fourth Proportional to 29,004.41, 40,011.85 and 18,928.19

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Solution

The fourth proportional to 29,004.41, 40,011.85 and 18,928.19 is: 26,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,004.41 : 40,011.85 = 18,928.19 : x
  2. Step 2: Convert to fraction form
    29,004.41/40,011.85 = 18,928.19/x
  3. Step 3: Cross multiply
    29,004.41x = 40,011.85 × 18,928.19
  4. Step 4: Simplify right side
    29,004.41x = 757,351,899.05
  5. Step 5: Solve for x
    x = 757,351,899.05/29,004.41
  6. Step 6: Final answer
    x = 26,111.61

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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.