Home / 16,686.87-25,037.28-7,322.05

Finding the Fourth Proportional to 16,686.87, 25,037.28 and 7,322.05

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Solution

The fourth proportional to 16,686.87, 25,037.28 and 7,322.05 is: 10,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.87 : 25,037.28 = 7,322.05 : x
  2. Step 2: Convert to fraction form
    16,686.87/25,037.28 = 7,322.05/x
  3. Step 3: Cross multiply
    16,686.87x = 25,037.28 × 7,322.05
  4. Step 4: Simplify right side
    16,686.87x = 183,324,216.02
  5. Step 5: Solve for x
    x = 183,324,216.02/16,686.87
  6. Step 6: Final answer
    x = 10,986.14

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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.