Home / 19,690.34-27,173.40-11,733.31

Finding the Fourth Proportional to 19,690.34, 27,173.40 and 11,733.31

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Solution

The fourth proportional to 19,690.34, 27,173.40 and 11,733.31 is: 16,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.34 : 27,173.40 = 11,733.31 : x
  2. Step 2: Convert to fraction form
    19,690.34/27,173.40 = 11,733.31/x
  3. Step 3: Cross multiply
    19,690.34x = 27,173.40 × 11,733.31
  4. Step 4: Simplify right side
    19,690.34x = 318,833,796.07
  5. Step 5: Solve for x
    x = 318,833,796.07/19,690.34
  6. Step 6: Final answer
    x = 16,192.40

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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.