Home / 19,880.92-27,433.96-11,703.66

Finding the Fourth Proportional to 19,880.92, 27,433.96 and 11,703.66

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Solution

The fourth proportional to 19,880.92, 27,433.96 and 11,703.66 is: 16,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.92 : 27,433.96 = 11,703.66 : x
  2. Step 2: Convert to fraction form
    19,880.92/27,433.96 = 11,703.66/x
  3. Step 3: Cross multiply
    19,880.92x = 27,433.96 × 11,703.66
  4. Step 4: Simplify right side
    19,880.92x = 321,077,740.29
  5. Step 5: Solve for x
    x = 321,077,740.29/19,880.92
  6. Step 6: Final answer
    x = 16,150.04

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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.