Home / 25,947.46-35,808.82-15,872.74

Finding the Fourth Proportional to 25,947.46, 35,808.82 and 15,872.74

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Solution

The fourth proportional to 25,947.46, 35,808.82 and 15,872.74 is: 21,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.46 : 35,808.82 = 15,872.74 : x
  2. Step 2: Convert to fraction form
    25,947.46/35,808.82 = 15,872.74/x
  3. Step 3: Cross multiply
    25,947.46x = 35,808.82 × 15,872.74
  4. Step 4: Simplify right side
    25,947.46x = 568,384,089.57
  5. Step 5: Solve for x
    x = 568,384,089.57/25,947.46
  6. Step 6: Final answer
    x = 21,905.19

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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.