Home / 19,808.37-27,335.53-11,424.87

Finding the Fourth Proportional to 19,808.37, 27,335.53 and 11,424.87

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Solution

The fourth proportional to 19,808.37, 27,335.53 and 11,424.87 is: 15,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.37 : 27,335.53 = 11,424.87 : x
  2. Step 2: Convert to fraction form
    19,808.37/27,335.53 = 11,424.87/x
  3. Step 3: Cross multiply
    19,808.37x = 27,335.53 × 11,424.87
  4. Step 4: Simplify right side
    19,808.37x = 312,304,876.63
  5. Step 5: Solve for x
    x = 312,304,876.63/19,808.37
  6. Step 6: Final answer
    x = 15,766.31

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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.