Home / 13,615.06-20,432.31-5,829.46

Finding the Fourth Proportional to 13,615.06, 20,432.31 and 5,829.46

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Solution

The fourth proportional to 13,615.06, 20,432.31 and 5,829.46 is: 8,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615.06 : 20,432.31 = 5,829.46 : x
  2. Step 2: Convert to fraction form
    13,615.06/20,432.31 = 5,829.46/x
  3. Step 3: Cross multiply
    13,615.06x = 20,432.31 × 5,829.46
  4. Step 4: Simplify right side
    13,615.06x = 119,109,333.85
  5. Step 5: Solve for x
    x = 119,109,333.85/13,615.06
  6. Step 6: Final answer
    x = 8,748.35

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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.