Home / 25,065.45-34,589.43-13,734.63

Finding the Fourth Proportional to 25,065.45, 34,589.43 and 13,734.63

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Solution

The fourth proportional to 25,065.45, 34,589.43 and 13,734.63 is: 18,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,065.45 : 34,589.43 = 13,734.63 : x
  2. Step 2: Convert to fraction form
    25,065.45/34,589.43 = 13,734.63/x
  3. Step 3: Cross multiply
    25,065.45x = 34,589.43 × 13,734.63
  4. Step 4: Simplify right side
    25,065.45x = 475,073,022.96
  5. Step 5: Solve for x
    x = 475,073,022.96/25,065.45
  6. Step 6: Final answer
    x = 18,953.30

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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.