Home / 19,801.45-27,326.57-12,040.25

Finding the Fourth Proportional to 19,801.45, 27,326.57 and 12,040.25

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Solution

The fourth proportional to 19,801.45, 27,326.57 and 12,040.25 is: 16,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.45 : 27,326.57 = 12,040.25 : x
  2. Step 2: Convert to fraction form
    19,801.45/27,326.57 = 12,040.25/x
  3. Step 3: Cross multiply
    19,801.45x = 27,326.57 × 12,040.25
  4. Step 4: Simplify right side
    19,801.45x = 329,018,734.44
  5. Step 5: Solve for x
    x = 329,018,734.44/19,801.45
  6. Step 6: Final answer
    x = 16,615.89

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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.