Home / 16,976.82-23,428.05-9,423.30

Finding the Fourth Proportional to 16,976.82, 23,428.05 and 9,423.30

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Solution

The fourth proportional to 16,976.82, 23,428.05 and 9,423.30 is: 13,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.82 : 23,428.05 = 9,423.30 : x
  2. Step 2: Convert to fraction form
    16,976.82/23,428.05 = 9,423.30/x
  3. Step 3: Cross multiply
    16,976.82x = 23,428.05 × 9,423.30
  4. Step 4: Simplify right side
    16,976.82x = 220,769,543.57
  5. Step 5: Solve for x
    x = 220,769,543.57/16,976.82
  6. Step 6: Final answer
    x = 13,004.18

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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.