Home / 20,732.02-28,610.48-11,300.58

Finding the Fourth Proportional to 20,732.02, 28,610.48 and 11,300.58

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Solution

The fourth proportional to 20,732.02, 28,610.48 and 11,300.58 is: 15,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.02 : 28,610.48 = 11,300.58 : x
  2. Step 2: Convert to fraction form
    20,732.02/28,610.48 = 11,300.58/x
  3. Step 3: Cross multiply
    20,732.02x = 28,610.48 × 11,300.58
  4. Step 4: Simplify right side
    20,732.02x = 323,315,046.33
  5. Step 5: Solve for x
    x = 323,315,046.33/20,732.02
  6. Step 6: Final answer
    x = 15,594.96

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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.