Home / 19,899.73-27,462.61-11,402.83

Finding the Fourth Proportional to 19,899.73, 27,462.61 and 11,402.83

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Solution

The fourth proportional to 19,899.73, 27,462.61 and 11,402.83 is: 15,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.73 : 27,462.61 = 11,402.83 : x
  2. Step 2: Convert to fraction form
    19,899.73/27,462.61 = 11,402.83/x
  3. Step 3: Cross multiply
    19,899.73x = 27,462.61 × 11,402.83
  4. Step 4: Simplify right side
    19,899.73x = 313,151,473.19
  5. Step 5: Solve for x
    x = 313,151,473.19/19,899.73
  6. Step 6: Final answer
    x = 15,736.47

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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.