Home / 19,686.08-27,167.15-11,732.91

Finding the Fourth Proportional to 19,686.08, 27,167.15 and 11,732.91

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Solution

The fourth proportional to 19,686.08, 27,167.15 and 11,732.91 is: 16,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.08 : 27,167.15 = 11,732.91 : x
  2. Step 2: Convert to fraction form
    19,686.08/27,167.15 = 11,732.91/x
  3. Step 3: Cross multiply
    19,686.08x = 27,167.15 × 11,732.91
  4. Step 4: Simplify right side
    19,686.08x = 318,749,852.63
  5. Step 5: Solve for x
    x = 318,749,852.63/19,686.08
  6. Step 6: Final answer
    x = 16,191.64

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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.