Home / 19,646.52-27,102.06-12,181.56

Finding the Fourth Proportional to 19,646.52, 27,102.06 and 12,181.56

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Solution

The fourth proportional to 19,646.52, 27,102.06 and 12,181.56 is: 16,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.52 : 27,102.06 = 12,181.56 : x
  2. Step 2: Convert to fraction form
    19,646.52/27,102.06 = 12,181.56/x
  3. Step 3: Cross multiply
    19,646.52x = 27,102.06 × 12,181.56
  4. Step 4: Simplify right side
    19,646.52x = 330,145,370.01
  5. Step 5: Solve for x
    x = 330,145,370.01/19,646.52
  6. Step 6: Final answer
    x = 16,804.27

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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.