Home / 14,383.38-21,543.90-6,972.33

Finding the Fourth Proportional to 14,383.38, 21,543.90 and 6,972.33

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Solution

The fourth proportional to 14,383.38, 21,543.90 and 6,972.33 is: 10,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.38 : 21,543.90 = 6,972.33 : x
  2. Step 2: Convert to fraction form
    14,383.38/21,543.90 = 6,972.33/x
  3. Step 3: Cross multiply
    14,383.38x = 21,543.90 × 6,972.33
  4. Step 4: Simplify right side
    14,383.38x = 150,211,180.29
  5. Step 5: Solve for x
    x = 150,211,180.29/14,383.38
  6. Step 6: Final answer
    x = 10,443.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.