Home / 13,964.08-19,270.20-7,676.32

Finding the Fourth Proportional to 13,964.08, 19,270.20 and 7,676.32

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Solution

The fourth proportional to 13,964.08, 19,270.20 and 7,676.32 is: 10,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.08 : 19,270.20 = 7,676.32 : x
  2. Step 2: Convert to fraction form
    13,964.08/19,270.20 = 7,676.32/x
  3. Step 3: Cross multiply
    13,964.08x = 19,270.20 × 7,676.32
  4. Step 4: Simplify right side
    13,964.08x = 147,924,221.66
  5. Step 5: Solve for x
    x = 147,924,221.66/13,964.08
  6. Step 6: Final answer
    x = 10,593.19

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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.