Home / 25,314.30-34,932.84-13,983.60

Finding the Fourth Proportional to 25,314.30, 34,932.84 and 13,983.60

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Solution

The fourth proportional to 25,314.30, 34,932.84 and 13,983.60 is: 19,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,314.30 : 34,932.84 = 13,983.60 : x
  2. Step 2: Convert to fraction form
    25,314.30/34,932.84 = 13,983.60/x
  3. Step 3: Cross multiply
    25,314.30x = 34,932.84 × 13,983.60
  4. Step 4: Simplify right side
    25,314.30x = 488,486,861.42
  5. Step 5: Solve for x
    x = 488,486,861.42/25,314.30
  6. Step 6: Final answer
    x = 19,296.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.