Home / 20,577.37-28,396.56-11,624.86

Finding the Fourth Proportional to 20,577.37, 28,396.56 and 11,624.86

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Solution

The fourth proportional to 20,577.37, 28,396.56 and 11,624.86 is: 16,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.37 : 28,396.56 = 11,624.86 : x
  2. Step 2: Convert to fraction form
    20,577.37/28,396.56 = 11,624.86/x
  3. Step 3: Cross multiply
    20,577.37x = 28,396.56 × 11,624.86
  4. Step 4: Simplify right side
    20,577.37x = 330,106,034.48
  5. Step 5: Solve for x
    x = 330,106,034.48/20,577.37
  6. Step 6: Final answer
    x = 16,042.19

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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.