Home / 16,861.70-25,276.86-7,496.80

Finding the Fourth Proportional to 16,861.70, 25,276.86 and 7,496.80

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Solution

The fourth proportional to 16,861.70, 25,276.86 and 7,496.80 is: 11,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.70 : 25,276.86 = 7,496.80 : x
  2. Step 2: Convert to fraction form
    16,861.70/25,276.86 = 7,496.80/x
  3. Step 3: Cross multiply
    16,861.70x = 25,276.86 × 7,496.80
  4. Step 4: Simplify right side
    16,861.70x = 189,495,564.05
  5. Step 5: Solve for x
    x = 189,495,564.05/16,861.70
  6. Step 6: Final answer
    x = 11,238.22

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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.