Home / 12,929.01-19,394.63-3,569.03

Finding the Fourth Proportional to 12,929.01, 19,394.63 and 3,569.03

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Solution

The fourth proportional to 12,929.01, 19,394.63 and 3,569.03 is: 5,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.01 : 19,394.63 = 3,569.03 : x
  2. Step 2: Convert to fraction form
    12,929.01/19,394.63 = 3,569.03/x
  3. Step 3: Cross multiply
    12,929.01x = 19,394.63 × 3,569.03
  4. Step 4: Simplify right side
    12,929.01x = 69,220,016.31
  5. Step 5: Solve for x
    x = 69,220,016.31/12,929.01
  6. Step 6: Final answer
    x = 5,353.85

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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.