Home / 16,866.80-25,300.20-11,836.70

Finding the Fourth Proportional to 16,866.80, 25,300.20 and 11,836.70

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Solution

The fourth proportional to 16,866.80, 25,300.20 and 11,836.70 is: 17,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.80 : 25,300.20 = 11,836.70 : x
  2. Step 2: Convert to fraction form
    16,866.80/25,300.20 = 11,836.70/x
  3. Step 3: Cross multiply
    16,866.80x = 25,300.20 × 11,836.70
  4. Step 4: Simplify right side
    16,866.80x = 299,470,877.34
  5. Step 5: Solve for x
    x = 299,470,877.34/16,866.80
  6. Step 6: Final answer
    x = 17,755.05

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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.