Home / 16,031.88-22,123.57-8,958.36

Finding the Fourth Proportional to 16,031.88, 22,123.57 and 8,958.36

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Solution

The fourth proportional to 16,031.88, 22,123.57 and 8,958.36 is: 12,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.88 : 22,123.57 = 8,958.36 : x
  2. Step 2: Convert to fraction form
    16,031.88/22,123.57 = 8,958.36/x
  3. Step 3: Cross multiply
    16,031.88x = 22,123.57 × 8,958.36
  4. Step 4: Simplify right side
    16,031.88x = 198,190,904.55
  5. Step 5: Solve for x
    x = 198,190,904.55/16,031.88
  6. Step 6: Final answer
    x = 12,362.30

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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.