Home / 29,140.15-40,212.97-16,392.37

Finding the Fourth Proportional to 29,140.15, 40,212.97 and 16,392.37

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Solution

The fourth proportional to 29,140.15, 40,212.97 and 16,392.37 is: 22,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140.15 : 40,212.97 = 16,392.37 : x
  2. Step 2: Convert to fraction form
    29,140.15/40,212.97 = 16,392.37/x
  3. Step 3: Cross multiply
    29,140.15x = 40,212.97 × 16,392.37
  4. Step 4: Simplify right side
    29,140.15x = 659,185,883.04
  5. Step 5: Solve for x
    x = 659,185,883.04/29,140.15
  6. Step 6: Final answer
    x = 22,621.22

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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.