Home / 13,595.52-20,360.48-7,734.36

Finding the Fourth Proportional to 13,595.52, 20,360.48 and 7,734.36

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Solution

The fourth proportional to 13,595.52, 20,360.48 and 7,734.36 is: 11,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.52 : 20,360.48 = 7,734.36 : x
  2. Step 2: Convert to fraction form
    13,595.52/20,360.48 = 7,734.36/x
  3. Step 3: Cross multiply
    13,595.52x = 20,360.48 × 7,734.36
  4. Step 4: Simplify right side
    13,595.52x = 157,475,243.42
  5. Step 5: Solve for x
    x = 157,475,243.42/13,595.52
  6. Step 6: Final answer
    x = 11,582.88

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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.