Home / 16,983.58-25,485.28-7,122.02

Finding the Fourth Proportional to 16,983.58, 25,485.28 and 7,122.02

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Solution

The fourth proportional to 16,983.58, 25,485.28 and 7,122.02 is: 10,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.58 : 25,485.28 = 7,122.02 : x
  2. Step 2: Convert to fraction form
    16,983.58/25,485.28 = 7,122.02/x
  3. Step 3: Cross multiply
    16,983.58x = 25,485.28 × 7,122.02
  4. Step 4: Simplify right side
    16,983.58x = 181,506,673.87
  5. Step 5: Solve for x
    x = 181,506,673.87/16,983.58
  6. Step 6: Final answer
    x = 10,687.19

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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.