Home / 14,769.36-20,383.88-9,732.80

Finding the Fourth Proportional to 14,769.36, 20,383.88 and 9,732.80

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Solution

The fourth proportional to 14,769.36, 20,383.88 and 9,732.80 is: 13,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.36 : 20,383.88 = 9,732.80 : x
  2. Step 2: Convert to fraction form
    14,769.36/20,383.88 = 9,732.80/x
  3. Step 3: Cross multiply
    14,769.36x = 20,383.88 × 9,732.80
  4. Step 4: Simplify right side
    14,769.36x = 198,392,227.26
  5. Step 5: Solve for x
    x = 198,392,227.26/14,769.36
  6. Step 6: Final answer
    x = 13,432.69

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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.