Home / 19,969.13-29,944.43-11,651.55

Finding the Fourth Proportional to 19,969.13, 29,944.43 and 11,651.55

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Solution

The fourth proportional to 19,969.13, 29,944.43 and 11,651.55 is: 17,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.13 : 29,944.43 = 11,651.55 : x
  2. Step 2: Convert to fraction form
    19,969.13/29,944.43 = 11,651.55/x
  3. Step 3: Cross multiply
    19,969.13x = 29,944.43 × 11,651.55
  4. Step 4: Simplify right side
    19,969.13x = 348,898,962.05
  5. Step 5: Solve for x
    x = 348,898,962.05/19,969.13
  6. Step 6: Final answer
    x = 17,471.91

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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.