Home / 20,710.82-28,582.48-11,637.23

Finding the Fourth Proportional to 20,710.82, 28,582.48 and 11,637.23

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Solution

The fourth proportional to 20,710.82, 28,582.48 and 11,637.23 is: 16,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.82 : 28,582.48 = 11,637.23 : x
  2. Step 2: Convert to fraction form
    20,710.82/28,582.48 = 11,637.23/x
  3. Step 3: Cross multiply
    20,710.82x = 28,582.48 × 11,637.23
  4. Step 4: Simplify right side
    20,710.82x = 332,620,893.73
  5. Step 5: Solve for x
    x = 332,620,893.73/20,710.82
  6. Step 6: Final answer
    x = 16,060.25

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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.