Home / 15,067.60-22,537.40-13,518.80

Finding the Fourth Proportional to 15,067.60, 22,537.40 and 13,518.80

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Solution

The fourth proportional to 15,067.60, 22,537.40 and 13,518.80 is: 20,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.60 : 22,537.40 = 13,518.80 : x
  2. Step 2: Convert to fraction form
    15,067.60/22,537.40 = 13,518.80/x
  3. Step 3: Cross multiply
    15,067.60x = 22,537.40 × 13,518.80
  4. Step 4: Simplify right side
    15,067.60x = 304,678,603.12
  5. Step 5: Solve for x
    x = 304,678,603.12/15,067.60
  6. Step 6: Final answer
    x = 20,220.78

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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.