Home / 16,975.18-25,425.87-10,381.42

Finding the Fourth Proportional to 16,975.18, 25,425.87 and 10,381.42

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Solution

The fourth proportional to 16,975.18, 25,425.87 and 10,381.42 is: 15,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.18 : 25,425.87 = 10,381.42 : x
  2. Step 2: Convert to fraction form
    16,975.18/25,425.87 = 10,381.42/x
  3. Step 3: Cross multiply
    16,975.18x = 25,425.87 × 10,381.42
  4. Step 4: Simplify right side
    16,975.18x = 263,956,635.34
  5. Step 5: Solve for x
    x = 263,956,635.34/16,975.18
  6. Step 6: Final answer
    x = 15,549.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.