Home / 13,327.03-18,383.10-10,680.76

Finding the Fourth Proportional to 13,327.03, 18,383.10 and 10,680.76

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Solution

The fourth proportional to 13,327.03, 18,383.10 and 10,680.76 is: 14,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.03 : 18,383.10 = 10,680.76 : x
  2. Step 2: Convert to fraction form
    13,327.03/18,383.10 = 10,680.76/x
  3. Step 3: Cross multiply
    13,327.03x = 18,383.10 × 10,680.76
  4. Step 4: Simplify right side
    13,327.03x = 196,345,522.16
  5. Step 5: Solve for x
    x = 196,345,522.16/13,327.03
  6. Step 6: Final answer
    x = 14,732.88

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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.