Home / 19,645.08-29,422.05-11,304.42

Finding the Fourth Proportional to 19,645.08, 29,422.05 and 11,304.42

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Solution

The fourth proportional to 19,645.08, 29,422.05 and 11,304.42 is: 16,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.08 : 29,422.05 = 11,304.42 : x
  2. Step 2: Convert to fraction form
    19,645.08/29,422.05 = 11,304.42/x
  3. Step 3: Cross multiply
    19,645.08x = 29,422.05 × 11,304.42
  4. Step 4: Simplify right side
    19,645.08x = 332,599,210.46
  5. Step 5: Solve for x
    x = 332,599,210.46/19,645.08
  6. Step 6: Final answer
    x = 16,930.41

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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.