Home / 14,845.28-22,272.32-5,612

Finding the Fourth Proportional to 14,845.28, 22,272.32 and 5,612

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Solution

The fourth proportional to 14,845.28, 22,272.32 and 5,612 is: 8,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.28 : 22,272.32 = 5,612 : x
  2. Step 2: Convert to fraction form
    14,845.28/22,272.32 = 5,612/x
  3. Step 3: Cross multiply
    14,845.28x = 22,272.32 × 5,612
  4. Step 4: Simplify right side
    14,845.28x = 124,992,259.84
  5. Step 5: Solve for x
    x = 124,992,259.84/14,845.28
  6. Step 6: Final answer
    x = 8,419.66

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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.