Home / 20,732.22-28,610.28-11,300.58

Finding the Fourth Proportional to 20,732.22, 28,610.28 and 11,300.58

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Solution

The fourth proportional to 20,732.22, 28,610.28 and 11,300.58 is: 15,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.22 : 28,610.28 = 11,300.58 : x
  2. Step 2: Convert to fraction form
    20,732.22/28,610.28 = 11,300.58/x
  3. Step 3: Cross multiply
    20,732.22x = 28,610.28 × 11,300.58
  4. Step 4: Simplify right side
    20,732.22x = 323,312,757.96
  5. Step 5: Solve for x
    x = 323,312,757.96/20,732.22
  6. Step 6: Final answer
    x = 15,594.70

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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.