Home / 19,943.56-27,518.38-11,985.92

Finding the Fourth Proportional to 19,943.56, 27,518.38 and 11,985.92

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Solution

The fourth proportional to 19,943.56, 27,518.38 and 11,985.92 is: 16,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.56 : 27,518.38 = 11,985.92 : x
  2. Step 2: Convert to fraction form
    19,943.56/27,518.38 = 11,985.92/x
  3. Step 3: Cross multiply
    19,943.56x = 27,518.38 × 11,985.92
  4. Step 4: Simplify right side
    19,943.56x = 329,833,101.21
  5. Step 5: Solve for x
    x = 329,833,101.21/19,943.56
  6. Step 6: Final answer
    x = 16,538.33

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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.