Home / 19,229.20-26,537.16-12,844.60

Finding the Fourth Proportional to 19,229.20, 26,537.16 and 12,844.60

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Solution

The fourth proportional to 19,229.20, 26,537.16 and 12,844.60 is: 17,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.20 : 26,537.16 = 12,844.60 : x
  2. Step 2: Convert to fraction form
    19,229.20/26,537.16 = 12,844.60/x
  3. Step 3: Cross multiply
    19,229.20x = 26,537.16 × 12,844.60
  4. Step 4: Simplify right side
    19,229.20x = 340,859,205.34
  5. Step 5: Solve for x
    x = 340,859,205.34/19,229.20
  6. Step 6: Final answer
    x = 17,726.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.