Home / 16,977.82-23,429.43-9,424.30

Finding the Fourth Proportional to 16,977.82, 23,429.43 and 9,424.30

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Solution

The fourth proportional to 16,977.82, 23,429.43 and 9,424.30 is: 13,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.82 : 23,429.43 = 9,424.30 : x
  2. Step 2: Convert to fraction form
    16,977.82/23,429.43 = 9,424.30/x
  3. Step 3: Cross multiply
    16,977.82x = 23,429.43 × 9,424.30
  4. Step 4: Simplify right side
    16,977.82x = 220,805,977.15
  5. Step 5: Solve for x
    x = 220,805,977.15/16,977.82
  6. Step 6: Final answer
    x = 13,005.56

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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.