Home / 13,725.04-20,587.52-4,959.94

Finding the Fourth Proportional to 13,725.04, 20,587.52 and 4,959.94

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Solution

The fourth proportional to 13,725.04, 20,587.52 and 4,959.94 is: 7,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.04 : 20,587.52 = 4,959.94 : x
  2. Step 2: Convert to fraction form
    13,725.04/20,587.52 = 4,959.94/x
  3. Step 3: Cross multiply
    13,725.04x = 20,587.52 × 4,959.94
  4. Step 4: Simplify right side
    13,725.04x = 102,112,863.95
  5. Step 5: Solve for x
    x = 102,112,863.95/13,725.04
  6. Step 6: Final answer
    x = 7,439.90

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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.