Home / 15,027.28-22,539.60-4,638

Finding the Fourth Proportional to 15,027.28, 22,539.60 and 4,638

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Solution

The fourth proportional to 15,027.28, 22,539.60 and 4,638 is: 6,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.28 : 22,539.60 = 4,638 : x
  2. Step 2: Convert to fraction form
    15,027.28/22,539.60 = 4,638/x
  3. Step 3: Cross multiply
    15,027.28x = 22,539.60 × 4,638
  4. Step 4: Simplify right side
    15,027.28x = 104,538,664.80
  5. Step 5: Solve for x
    x = 104,538,664.80/15,027.28
  6. Step 6: Final answer
    x = 6,956.59

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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.