Home / 19,826.87-27,353.98-11,322.86

Finding the Fourth Proportional to 19,826.87, 27,353.98 and 11,322.86

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Solution

The fourth proportional to 19,826.87, 27,353.98 and 11,322.86 is: 15,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.87 : 27,353.98 = 11,322.86 : x
  2. Step 2: Convert to fraction form
    19,826.87/27,353.98 = 11,322.86/x
  3. Step 3: Cross multiply
    19,826.87x = 27,353.98 × 11,322.86
  4. Step 4: Simplify right side
    19,826.87x = 309,725,092.60
  5. Step 5: Solve for x
    x = 309,725,092.60/19,826.87
  6. Step 6: Final answer
    x = 15,621.49

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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.