Home / 19,827.72-29,701.08-11,067.30

Finding the Fourth Proportional to 19,827.72, 29,701.08 and 11,067.30

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Solution

The fourth proportional to 19,827.72, 29,701.08 and 11,067.30 is: 16,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.72 : 29,701.08 = 11,067.30 : x
  2. Step 2: Convert to fraction form
    19,827.72/29,701.08 = 11,067.30/x
  3. Step 3: Cross multiply
    19,827.72x = 29,701.08 × 11,067.30
  4. Step 4: Simplify right side
    19,827.72x = 328,710,762.68
  5. Step 5: Solve for x
    x = 328,710,762.68/19,827.72
  6. Step 6: Final answer
    x = 16,578.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.