Home / 19,645.58-29,422.81-11,304.91

Finding the Fourth Proportional to 19,645.58, 29,422.81 and 11,304.91

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Solution

The fourth proportional to 19,645.58, 29,422.81 and 11,304.91 is: 16,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.58 : 29,422.81 = 11,304.91 : x
  2. Step 2: Convert to fraction form
    19,645.58/29,422.81 = 11,304.91/x
  3. Step 3: Cross multiply
    19,645.58x = 29,422.81 × 11,304.91
  4. Step 4: Simplify right side
    19,645.58x = 332,622,269.91
  5. Step 5: Solve for x
    x = 332,622,269.91/19,645.58
  6. Step 6: Final answer
    x = 16,931.15

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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.