Home / 19,725.60-27,221.13-10,773.48

Finding the Fourth Proportional to 19,725.60, 27,221.13 and 10,773.48

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Solution

The fourth proportional to 19,725.60, 27,221.13 and 10,773.48 is: 14,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.60 : 27,221.13 = 10,773.48 : x
  2. Step 2: Convert to fraction form
    19,725.60/27,221.13 = 10,773.48/x
  3. Step 3: Cross multiply
    19,725.60x = 27,221.13 × 10,773.48
  4. Step 4: Simplify right side
    19,725.60x = 293,266,299.63
  5. Step 5: Solve for x
    x = 293,266,299.63/19,725.60
  6. Step 6: Final answer
    x = 14,867.29

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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.