Home / 13,074.98-18,043.42-7,410.80

Finding the Fourth Proportional to 13,074.98, 18,043.42 and 7,410.80

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Solution

The fourth proportional to 13,074.98, 18,043.42 and 7,410.80 is: 10,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.98 : 18,043.42 = 7,410.80 : x
  2. Step 2: Convert to fraction form
    13,074.98/18,043.42 = 7,410.80/x
  3. Step 3: Cross multiply
    13,074.98x = 18,043.42 × 7,410.80
  4. Step 4: Simplify right side
    13,074.98x = 133,716,176.94
  5. Step 5: Solve for x
    x = 133,716,176.94/13,074.98
  6. Step 6: Final answer
    x = 10,226.87

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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.