Home / 25,912.60-38,840.10-14,234.20

Finding the Fourth Proportional to 25,912.60, 38,840.10 and 14,234.20

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Solution

The fourth proportional to 25,912.60, 38,840.10 and 14,234.20 is: 21,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.60 : 38,840.10 = 14,234.20 : x
  2. Step 2: Convert to fraction form
    25,912.60/38,840.10 = 14,234.20/x
  3. Step 3: Cross multiply
    25,912.60x = 38,840.10 × 14,234.20
  4. Step 4: Simplify right side
    25,912.60x = 552,857,751.42
  5. Step 5: Solve for x
    x = 552,857,751.42/25,912.60
  6. Step 6: Final answer
    x = 21,335.48

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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.