Home / 25,664.10-38,520.45-15,822.60

Finding the Fourth Proportional to 25,664.10, 38,520.45 and 15,822.60

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Solution

The fourth proportional to 25,664.10, 38,520.45 and 15,822.60 is: 23,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664.10 : 38,520.45 = 15,822.60 : x
  2. Step 2: Convert to fraction form
    25,664.10/38,520.45 = 15,822.60/x
  3. Step 3: Cross multiply
    25,664.10x = 38,520.45 × 15,822.60
  4. Step 4: Simplify right side
    25,664.10x = 609,493,672.17
  5. Step 5: Solve for x
    x = 609,493,672.17/25,664.10
  6. Step 6: Final answer
    x = 23,748.88

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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.