Home / 12,254.44-18,373.56-4,459

Finding the Fourth Proportional to 12,254.44, 18,373.56 and 4,459

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Solution

The fourth proportional to 12,254.44, 18,373.56 and 4,459 is: 6,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.44 : 18,373.56 = 4,459 : x
  2. Step 2: Convert to fraction form
    12,254.44/18,373.56 = 4,459/x
  3. Step 3: Cross multiply
    12,254.44x = 18,373.56 × 4,459
  4. Step 4: Simplify right side
    12,254.44x = 81,927,704.04
  5. Step 5: Solve for x
    x = 81,927,704.04/12,254.44
  6. Step 6: Final answer
    x = 6,685.55

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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.