Home / 16,983.10-23,439.48-9,431.85

Finding the Fourth Proportional to 16,983.10, 23,439.48 and 9,431.85

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Solution

The fourth proportional to 16,983.10, 23,439.48 and 9,431.85 is: 13,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.10 : 23,439.48 = 9,431.85 : x
  2. Step 2: Convert to fraction form
    16,983.10/23,439.48 = 9,431.85/x
  3. Step 3: Cross multiply
    16,983.10x = 23,439.48 × 9,431.85
  4. Step 4: Simplify right side
    16,983.10x = 221,077,542.24
  5. Step 5: Solve for x
    x = 221,077,542.24/16,983.10
  6. Step 6: Final answer
    x = 13,017.50

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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.