Home / 19,700.10-27,183.96-11,740.77

Finding the Fourth Proportional to 19,700.10, 27,183.96 and 11,740.77

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Solution

The fourth proportional to 19,700.10, 27,183.96 and 11,740.77 is: 16,200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.10 : 27,183.96 = 11,740.77 : x
  2. Step 2: Convert to fraction form
    19,700.10/27,183.96 = 11,740.77/x
  3. Step 3: Cross multiply
    19,700.10x = 27,183.96 × 11,740.77
  4. Step 4: Simplify right side
    19,700.10x = 319,160,622.05
  5. Step 5: Solve for x
    x = 319,160,622.05/19,700.10
  6. Step 6: Final answer
    x = 16,200.96

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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.