Home / 12,749.16-19,125.54-5,354.04

Finding the Fourth Proportional to 12,749.16, 19,125.54 and 5,354.04

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Solution

The fourth proportional to 12,749.16, 19,125.54 and 5,354.04 is: 8,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.16 : 19,125.54 = 5,354.04 : x
  2. Step 2: Convert to fraction form
    12,749.16/19,125.54 = 5,354.04/x
  3. Step 3: Cross multiply
    12,749.16x = 19,125.54 × 5,354.04
  4. Step 4: Simplify right side
    12,749.16x = 102,398,906.18
  5. Step 5: Solve for x
    x = 102,398,906.18/12,749.16
  6. Step 6: Final answer
    x = 8,031.82

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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.