Home / 15,410.45-23,115.62-3,723.68

Finding the Fourth Proportional to 15,410.45, 23,115.62 and 3,723.68

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Solution

The fourth proportional to 15,410.45, 23,115.62 and 3,723.68 is: 5,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.45 : 23,115.62 = 3,723.68 : x
  2. Step 2: Convert to fraction form
    15,410.45/23,115.62 = 3,723.68/x
  3. Step 3: Cross multiply
    15,410.45x = 23,115.62 × 3,723.68
  4. Step 4: Simplify right side
    15,410.45x = 86,075,037.69
  5. Step 5: Solve for x
    x = 86,075,037.69/15,410.45
  6. Step 6: Final answer
    x = 5,585.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.