Home / 15,636.20-21,577.94-8,562.63

Finding the Fourth Proportional to 15,636.20, 21,577.94 and 8,562.63

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Solution

The fourth proportional to 15,636.20, 21,577.94 and 8,562.63 is: 11,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.20 : 21,577.94 = 8,562.63 : x
  2. Step 2: Convert to fraction form
    15,636.20/21,577.94 = 8,562.63/x
  3. Step 3: Cross multiply
    15,636.20x = 21,577.94 × 8,562.63
  4. Step 4: Simplify right side
    15,636.20x = 184,763,873.57
  5. Step 5: Solve for x
    x = 184,763,873.57/15,636.20
  6. Step 6: Final answer
    x = 11,816.42

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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.