Home / 16,982.63-23,436.30-9,429.45

Finding the Fourth Proportional to 16,982.63, 23,436.30 and 9,429.45

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Solution

The fourth proportional to 16,982.63, 23,436.30 and 9,429.45 is: 13,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.63 : 23,436.30 = 9,429.45 : x
  2. Step 2: Convert to fraction form
    16,982.63/23,436.30 = 9,429.45/x
  3. Step 3: Cross multiply
    16,982.63x = 23,436.30 × 9,429.45
  4. Step 4: Simplify right side
    16,982.63x = 220,991,366.51
  5. Step 5: Solve for x
    x = 220,991,366.51/16,982.63
  6. Step 6: Final answer
    x = 13,012.79

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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.