Home / 25,170.46-34,734.36-16,218.34

Finding the Fourth Proportional to 25,170.46, 34,734.36 and 16,218.34

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Solution

The fourth proportional to 25,170.46, 34,734.36 and 16,218.34 is: 22,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.46 : 34,734.36 = 16,218.34 : x
  2. Step 2: Convert to fraction form
    25,170.46/34,734.36 = 16,218.34/x
  3. Step 3: Cross multiply
    25,170.46x = 34,734.36 × 16,218.34
  4. Step 4: Simplify right side
    25,170.46x = 563,333,660.16
  5. Step 5: Solve for x
    x = 563,333,660.16/25,170.46
  6. Step 6: Final answer
    x = 22,380.75

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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.