Home / 16,885.92-25,330.90-7,031.86

Finding the Fourth Proportional to 16,885.92, 25,330.90 and 7,031.86

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Solution

The fourth proportional to 16,885.92, 25,330.90 and 7,031.86 is: 10,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.92 : 25,330.90 = 7,031.86 : x
  2. Step 2: Convert to fraction form
    16,885.92/25,330.90 = 7,031.86/x
  3. Step 3: Cross multiply
    16,885.92x = 25,330.90 × 7,031.86
  4. Step 4: Simplify right side
    16,885.92x = 178,123,342.47
  5. Step 5: Solve for x
    x = 178,123,342.47/16,885.92
  6. Step 6: Final answer
    x = 10,548.63

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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.