Home / 14,272.92-21,407.22-3,885.48

Finding the Fourth Proportional to 14,272.92, 21,407.22 and 3,885.48

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Solution

The fourth proportional to 14,272.92, 21,407.22 and 3,885.48 is: 5,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.92 : 21,407.22 = 3,885.48 : x
  2. Step 2: Convert to fraction form
    14,272.92/21,407.22 = 3,885.48/x
  3. Step 3: Cross multiply
    14,272.92x = 21,407.22 × 3,885.48
  4. Step 4: Simplify right side
    14,272.92x = 83,177,325.17
  5. Step 5: Solve for x
    x = 83,177,325.17/14,272.92
  6. Step 6: Final answer
    x = 5,827.63

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1.5x scale

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.