Home / 19,690.60-27,173.71-11,193.08

Finding the Fourth Proportional to 19,690.60, 27,173.71 and 11,193.08

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Solution

The fourth proportional to 19,690.60, 27,173.71 and 11,193.08 is: 15,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.60 : 27,173.71 = 11,193.08 : x
  2. Step 2: Convert to fraction form
    19,690.60/27,173.71 = 11,193.08/x
  3. Step 3: Cross multiply
    19,690.60x = 27,173.71 × 11,193.08
  4. Step 4: Simplify right side
    19,690.60x = 304,157,551.90
  5. Step 5: Solve for x
    x = 304,157,551.90/19,690.60
  6. Step 6: Final answer
    x = 15,446.84

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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.