Home / 14,383.25-21,543.71-6,972.21

Finding the Fourth Proportional to 14,383.25, 21,543.71 and 6,972.21

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Solution

The fourth proportional to 14,383.25, 21,543.71 and 6,972.21 is: 10,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.25 : 21,543.71 = 6,972.21 : x
  2. Step 2: Convert to fraction form
    14,383.25/21,543.71 = 6,972.21/x
  3. Step 3: Cross multiply
    14,383.25x = 21,543.71 × 6,972.21
  4. Step 4: Simplify right side
    14,383.25x = 150,207,270.30
  5. Step 5: Solve for x
    x = 150,207,270.30/14,383.25
  6. Step 6: Final answer
    x = 10,443.21

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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.