Home / 14,989.79-22,480.43-4,459.38

Finding the Fourth Proportional to 14,989.79, 22,480.43 and 4,459.38

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Solution

The fourth proportional to 14,989.79, 22,480.43 and 4,459.38 is: 6,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.79 : 22,480.43 = 4,459.38 : x
  2. Step 2: Convert to fraction form
    14,989.79/22,480.43 = 4,459.38/x
  3. Step 3: Cross multiply
    14,989.79x = 22,480.43 × 4,459.38
  4. Step 4: Simplify right side
    14,989.79x = 100,248,757.64
  5. Step 5: Solve for x
    x = 100,248,757.64/14,989.79
  6. Step 6: Final answer
    x = 6,687.80

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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.