Home / 16,982.37-23,435.87-9,428.85

Finding the Fourth Proportional to 16,982.37, 23,435.87 and 9,428.85

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Solution

The fourth proportional to 16,982.37, 23,435.87 and 9,428.85 is: 13,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.37 : 23,435.87 = 9,428.85 : x
  2. Step 2: Convert to fraction form
    16,982.37/23,435.87 = 9,428.85/x
  3. Step 3: Cross multiply
    16,982.37x = 23,435.87 × 9,428.85
  4. Step 4: Simplify right side
    16,982.37x = 220,973,255.71
  5. Step 5: Solve for x
    x = 220,973,255.71/16,982.37
  6. Step 6: Final answer
    x = 13,011.92

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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.