Home / 19,604.85-29,407.28-11,809.65

Finding the Fourth Proportional to 19,604.85, 29,407.28 and 11,809.65

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Solution

The fourth proportional to 19,604.85, 29,407.28 and 11,809.65 is: 17,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.85 : 29,407.28 = 11,809.65 : x
  2. Step 2: Convert to fraction form
    19,604.85/29,407.28 = 11,809.65/x
  3. Step 3: Cross multiply
    19,604.85x = 29,407.28 × 11,809.65
  4. Step 4: Simplify right side
    19,604.85x = 347,289,625.20
  5. Step 5: Solve for x
    x = 347,289,625.20/19,604.85
  6. Step 6: Final answer
    x = 17,714.48

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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.