Home / 19,764.27-29,650.77-9,228.55

Finding the Fourth Proportional to 19,764.27, 29,650.77 and 9,228.55

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Solution

The fourth proportional to 19,764.27, 29,650.77 and 9,228.55 is: 13,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.27 : 29,650.77 = 9,228.55 : x
  2. Step 2: Convert to fraction form
    19,764.27/29,650.77 = 9,228.55/x
  3. Step 3: Cross multiply
    19,764.27x = 29,650.77 × 9,228.55
  4. Step 4: Simplify right side
    19,764.27x = 273,633,482.84
  5. Step 5: Solve for x
    x = 273,633,482.84/19,764.27
  6. Step 6: Final answer
    x = 13,844.86

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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.