Home / 20,732.25-28,610.51-11,300.84

Finding the Fourth Proportional to 20,732.25, 28,610.51 and 11,300.84

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Solution

The fourth proportional to 20,732.25, 28,610.51 and 11,300.84 is: 15,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.25 : 28,610.51 = 11,300.84 : x
  2. Step 2: Convert to fraction form
    20,732.25/28,610.51 = 11,300.84/x
  3. Step 3: Cross multiply
    20,732.25x = 28,610.51 × 11,300.84
  4. Step 4: Simplify right side
    20,732.25x = 323,322,596.27
  5. Step 5: Solve for x
    x = 323,322,596.27/20,732.25
  6. Step 6: Final answer
    x = 15,595.15

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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.