Home / 19,871.08-27,409.91-11,799.25

Finding the Fourth Proportional to 19,871.08, 27,409.91 and 11,799.25

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Solution

The fourth proportional to 19,871.08, 27,409.91 and 11,799.25 is: 16,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871.08 : 27,409.91 = 11,799.25 : x
  2. Step 2: Convert to fraction form
    19,871.08/27,409.91 = 11,799.25/x
  3. Step 3: Cross multiply
    19,871.08x = 27,409.91 × 11,799.25
  4. Step 4: Simplify right side
    19,871.08x = 323,416,341.54
  5. Step 5: Solve for x
    x = 323,416,341.54/19,871.08
  6. Step 6: Final answer
    x = 16,275.73

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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.