Home / 16,690.56-25,043.28-8,791.17

Finding the Fourth Proportional to 16,690.56, 25,043.28 and 8,791.17

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Solution

The fourth proportional to 16,690.56, 25,043.28 and 8,791.17 is: 13,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.56 : 25,043.28 = 8,791.17 : x
  2. Step 2: Convert to fraction form
    16,690.56/25,043.28 = 8,791.17/x
  3. Step 3: Cross multiply
    16,690.56x = 25,043.28 × 8,791.17
  4. Step 4: Simplify right side
    16,690.56x = 220,159,731.84
  5. Step 5: Solve for x
    x = 220,159,731.84/16,690.56
  6. Step 6: Final answer
    x = 13,190.67

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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.