Home / 19,662.96-27,127.44-12,588.24

Finding the Fourth Proportional to 19,662.96, 27,127.44 and 12,588.24

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Solution

The fourth proportional to 19,662.96, 27,127.44 and 12,588.24 is: 17,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.96 : 27,127.44 = 12,588.24 : x
  2. Step 2: Convert to fraction form
    19,662.96/27,127.44 = 12,588.24/x
  3. Step 3: Cross multiply
    19,662.96x = 27,127.44 × 12,588.24
  4. Step 4: Simplify right side
    19,662.96x = 341,486,725.31
  5. Step 5: Solve for x
    x = 341,486,725.31/19,662.96
  6. Step 6: Final answer
    x = 17,367.01

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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.