Home / 25,379.79-35,023.35-14,049.75

Finding the Fourth Proportional to 25,379.79, 35,023.35 and 14,049.75

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Solution

The fourth proportional to 25,379.79, 35,023.35 and 14,049.75 is: 19,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.79 : 35,023.35 = 14,049.75 : x
  2. Step 2: Convert to fraction form
    25,379.79/35,023.35 = 14,049.75/x
  3. Step 3: Cross multiply
    25,379.79x = 35,023.35 × 14,049.75
  4. Step 4: Simplify right side
    25,379.79x = 492,069,311.66
  5. Step 5: Solve for x
    x = 492,069,311.66/25,379.79
  6. Step 6: Final answer
    x = 19,388.23

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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.