Home / 14,360.18-21,540.30-3,971.96

Finding the Fourth Proportional to 14,360.18, 21,540.30 and 3,971.96

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Solution

The fourth proportional to 14,360.18, 21,540.30 and 3,971.96 is: 5,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,360.18 : 21,540.30 = 3,971.96 : x
  2. Step 2: Convert to fraction form
    14,360.18/21,540.30 = 3,971.96/x
  3. Step 3: Cross multiply
    14,360.18x = 21,540.30 × 3,971.96
  4. Step 4: Simplify right side
    14,360.18x = 85,557,209.99
  5. Step 5: Solve for x
    x = 85,557,209.99/14,360.18
  6. Step 6: Final answer
    x = 5,957.95

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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.