Home / 19,409.10-29,076.39-11,064.48

Finding the Fourth Proportional to 19,409.10, 29,076.39 and 11,064.48

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Solution

The fourth proportional to 19,409.10, 29,076.39 and 11,064.48 is: 16,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.10 : 29,076.39 = 11,064.48 : x
  2. Step 2: Convert to fraction form
    19,409.10/29,076.39 = 11,064.48/x
  3. Step 3: Cross multiply
    19,409.10x = 29,076.39 × 11,064.48
  4. Step 4: Simplify right side
    19,409.10x = 321,715,135.63
  5. Step 5: Solve for x
    x = 321,715,135.63/19,409.10
  6. Step 6: Final answer
    x = 16,575.48

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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.