Home / 16,983.48-23,436.11-9,429.81

Finding the Fourth Proportional to 16,983.48, 23,436.11 and 9,429.81

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Solution

The fourth proportional to 16,983.48, 23,436.11 and 9,429.81 is: 13,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.48 : 23,436.11 = 9,429.81 : x
  2. Step 2: Convert to fraction form
    16,983.48/23,436.11 = 9,429.81/x
  3. Step 3: Cross multiply
    16,983.48x = 23,436.11 × 9,429.81
  4. Step 4: Simplify right side
    16,983.48x = 220,998,064.44
  5. Step 5: Solve for x
    x = 220,998,064.44/16,983.48
  6. Step 6: Final answer
    x = 13,012.53

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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.